The present invention relates to a modular multifunction metering unit comprising a meter block (10) assembled with a set of openings (10a) and a set of plug-in connectors (12). A terminal block (20) comprises one or more current transformer (CT) blocks (30) each composed of a current carrying conductor (31) that is...

The electricity meter capable of detecting a measurement uncertainty without disturbing a normal operation is provided. The electricity meter includes one or more phase lines (R, Y, B) and a neutral line (N), one or more current measuring means (CT1-CT4) which are positioned in a current measuring path, a voltage me...

ABSTRACT 2891/CHE/2013 A SYSTEM FOR CHANGING CONTENT ORIENTATION OF DISPLAY DEVICES POSITIONED IN ONE OR MORE PANELS A system for changing a content orientation of a first set of display devices positioned in a first panel and a second set of display devices positioned in a second panel is provided. Each of the fi...

The invention discloses a metering device including a detection unit for detecting electrical parameters, a control unit for embedding the detected parameters into partially encrypted quick response (QR) codes, a display unit for displaying the partially encrypted QR codes simultaneously and navigation keys for navi...

The present invention discloses an apparatus for measuring electricity in ultra low range employing energy harvesting scheme. The apparatus includes a current meter (102) for magnetically sensing the electricity, a control unit (106) for measuring the sensed electricity, and an energy storage unit (104) for supplyin...

The invention discloses a pluggable display device with wireless power and data transfer remotely from a measuring unit of an electrical metering device. The display device includes a secondary coil for establishing a wireless electro-dynamic induction link for power and data transmission from a primary coil located...

1. A method for soft sensing of power source changeover having a power line connected to first power source and at least one back-up second power source said method comprising a. sensing at least one electrical parameter of the power line connected to any one of first power source or any one of back-up second power...

The present invention provides a hybrid power supply system (100), comprising a primary power supply unit (102), a secondary power supply unit (104) and a galvanic isolation block (106). The primary power supply unit (102) is provided with an array of light emitting diodes (LEDS) (114) being configured to emit mono...

In one implementation, the present invention provides a shutter mechanism to protect access to exposed bus bars/conductors in the compartment of the switchboard unit. The mechanism involves a shutter which is operable by means of a lever wherein the lever is configured for receiving a module and thereby enab...

In one implementation, an improved mechanism of frame assembly, wherein all frame members or channels are connected thorough a common link plate is disclosed. This common link plate is welded to each member and will be bolted later to other common link welded to other members. This common link is designed su...

The invention generally relates to an arrangement/integration, particularly for Switching Devices with external feeder, more particularly relates to a separate package of interlock system to be used for withdraw able type MCCBs with Direct operating handle to prevent unintentional racking operation of feeder. An int...

A medium voltage switchgear system comprising: a switchgear (3);an arc chamber (2); and an arc deflector assembly (1) operably mounted atop the arc chamber (2) to facilitate release of hot gases generated inside the switchgear (3) in case of internal arc fault is disclosed. The arc deflector consists of a top member...

The present disclosure relates to a handle arrangement adapted to be configured with an operating shaft of a low voltage switchgear. The handle arrangement includes a handle, having a locking end with one or more flanges in a first direction, configured to rotate between a first position and a second position. The l...

The present disclosure relates to a system for tripping a gas insulated switchgear. The system includes a first limit switch, a second limit switch. The first limit switch and the second limit switch are operatively configured with a vacuum circuit breaker of the gas insulated switchgear. A bellow, operatively confi...

A Miniature Circuit Breaker, MCB (100), having a short-circuit release and thermal release for protection against short-circuit fault and overload fault, the MCB comprising: a Short-circuit release adapted to generate magnetomotive force in case of a short-circuit fault, a hammer (20), which is mechanically connecte...

The present disclosure relates to a safety shutter assembly adapted to be configured with switchgear. The assembly incudes a pair of rods having guide ways. One or more shutter plates slidably configured over the pair of rods and configured to slide, when voltage circuit breaker of the switch gear is racked out, thr...

The present disclosure relates to an insulating wearable accessory to be worn by a user. The wearable accessories include an inner surface. An outer surface, configured with the inner surface, is configured to come in contact with external environment, and the outer surface is made of an electrochromic material. ...

The present invention relates to a composite current transformer for at least a circuit breaker, wherein said composite current transformer comprising: at least an iron core current transformer (CT) adapted to provide at least a power requirement to a trip unit; and a Rogowski Coil adapted to sense at least a curren...

The present disclosure relates to an apparatus (100) for multiple switching functions, the apparatus includes a plurality of functional units (114-1, 114-2, 114-3) configured inside a compartment of a housing (102), at least one load break switch (202) drives the plurality of functional units (114-1, 114-2, 114-3) t...

The present disclosure relates to a contact driving system for an electrical device. The contact driving system includes a housing, a first rotor inside the housing. A second rotor inside the housing, and operatively configured, through a gear arrangement, with the first rotor and contacts of the electrical device s...

The present disclosure relates to an actuating mechanism for a circuit breaker. The electrically operating mechanism includes a motor, an epicyclic gear assembly operatively configured with a motor shaft of the motor. A first ratchet operatively configured with the epicyclic gear assembly A drive shaft operatively c...

The present disclosure relates to a kit assembly adapted to be configured with an open-door motor control centre (MCC) switchboard. The kit assembly includes a first horizontal member configured with a tray of a movable module of the MCC switchboard. A racking screw operatively configured with the first horizontal m...

Disclosed is a kit for packaging of article/device. The kit comprises a base assembly having a pallet for mounting thereon the article/device to be packed, a sheet configured within the pallet for providing ingress protection and cushioning the article/device , and a plurality of locators configured along th...

Disclosed is an operating mechanism for circuit breakers. The operating mechanism comprises a housing supporting a pivot pin in inbuilt bearing, a mechanism pivot pin pinned in the bearing, a manual input link pivoted in housing having constrained and angular displacement, a support mounted on the mechanism ...

In one implementation, a new safety shutter mechanism is operated with the help of module in both conditions i.e. rack-in and rack-out. This differs from presently used mechanism where shutter is operated by module only when it is pushed in. The safety shutter assembly consists of two main sub-assemblies, na...

The present disclosure provides a contact isolation promising system to provide an undefeatable indication against true position of welded contacts for a switching device. The contact isolation promising system includes an isolation promiser component, having a first end and a second end, mechanically couple...

The present invention discloses an assembly 100 for electric coupling of busways 124-1, 124-2. The assembly 100 comprises at least two splice plates 102-1, 102-2 provided with extruded profile 116, the splice plates 102-1, 102-2 are positioned one over another such that the extruded profile 116 of the splice plates ...

The present disclosure provides a system and method to assess health of an energy meter. The system includes: a controller operatively coupled with the energy meter, the controller configured to: receive energy meter parameters of the energy meter, wherein, based on comparison of the energy meter parameters with cor...

The present disclosure provides a thermal-magnetic release of a moulded case circuit breaker, said thermal-magnetic release comprising: a fixed magnet; a moving magnet adapted to move towards the fixed magnet, separated from the fixed magnet by a predetermined air gap, said moving magnet held in position by springs;...

The present disclosure provides an operating mechanism of a circuit breaker, said operating mechanism comprising: a through pin configured to move in a slot provided on the operating mechanism, said through pin configured to move from a first position to a second position defining an ON state of the circuit breaker ...

The present invention discloses a switchgear assembly 100. The assembly 100 comprises one or more electric poles 102, one or more shafts 106 configured with the each of the one or more electric poles 102, and the one or more shafts 106 are rotatably coupled with each other through first engaging means 108. An actuat...

The present disclosure relates to an apparatus (100) for acknowledging fault conditions of circuit breakers, the apparatus includes: an operating unit (104) coupled to a contact element (120), the contact element is movable by the operating unit to open and close the electrical circuit of circuit breaker during norm...

The present disclosure relates to a system (100) for RTC synchronization in mesh network, the system includes a plurality of devices (102) configured in the mesh network (106), a RTC (104) operatively coupled to each of the plurality of devices (102). A processor (108) operatively coupled to the plurality of devices...

The present disclosure relates to an apparatus (100) for protection of an electrical circuit, the apparatus includes a magnetic core (102) configured in the electrical circuit, the magnetic core includes a primary coil (104), a secondary coil (106), and a tertiary coil (108), where current flows from supply to load....

The present invention discloses an enclosure arrangement for compact substation unit (1). The arrangement comprises a plurality of compartments, positioned within the enclosure, adapted to accommodate internal components of the substation unit, at least one access door (2) positioned at a front outer surface of the ...

The present disclosure relates to a racking arrangement comprising: a first section comprising a slidable first rack; a slidable second rack configured with the first section such that the second rack is slidable, in a first direction, with respect to the first section, wherein the second rack is configured with the...

The proposed invention discloses a molded case circuit breaker (MCCB) comprising: a cover cavity (3a) having one or more internal accessory unit (2); at least a trip plate (5a); and a dual cam arrangement between said trip plate (5a) and an accessory actuator (2b). The dual cam arrangement comprising: a cam profile ...

The present disclosure relates to a handle adapted to be configured with a vacuum circuit breaker, for performing charging operation, inside a switchgear. The handle includes a first member, at a first end, adapted to be coupled with a charging member of the vacuum circuit breaker. The first member comprises a slot ...

The present disclosure relates to an electromagnetic solenoid including a moving electromagnet, a fixed electromagnet. An elastic member configured between the moving electromagnet and the fixed electromagnet, and the elastic member is configured to provide resistance to the movement of the moving electromagnet towa...

A method and an energy meter for metering of electrical energy and neutral missing tamper detection, said meter comprising a plurality of source terminals (SI, S2, S3, SN), wherein each source terminal (SI, S2, S3, SN) is operably connected to a phase terminal (L) to operate as a phase channel, or operably connected...

The present disclosure relates to an access mechanism assembly (100) for a switch in a ring main unit (RMU) which includes a base plate (102) disposed in front of the switch. The base plate (102) includes a cavity (104) disposed corresponding to the switch. A first member (106) configured to move between a first pos...

The present disclosure relates to a secondary tripping assembly for a vacuum circuit breaker in a switchgear. The secondary tripping assembly includes a magnetic tripping coil operatively coupled with the vacuum circuit breaker. The magnetic tripping coil includes a movable part configured to extend in a first direc...

The present disclosure relates to a tank for a gas insulated switchgear. The tank includes a plurality of metal walls made of stainless steel. Each of the plurality of metal walls comprises one or more parallel groves to provide strength to the tank against a gas pressure. A pressure releasing device configured with...

The present disclosure relates to a bushing adapted to be configured with a switchgear. The primary disconnector switch bushing includes a base section having a conducting element adapted to be configured with the switchgear. A first cylindrical section of a first diameter coupled to the base section, and configured...

The present disclosure relates to a test bushing (100) adapted to be configured with a ring main unit (RMU). The test bushing (100) includes a housing (120) having a front portion (102) that remains outside a tank of the RMU, and a rear portion (104) configured at an end (114) of the rear portion (104). The rear por...

The present invention discloses an arc absorber design which in turn improves the overall designs of switchgear to channel the hot gases via the arc duct so that it ensures persons safety whenever an internal arc fault occurs. In this Invention, both reduction in kinetic energy of gas and also the temperature is ach...

The proposed invention discloses a type test compartment for a gas insulated switchgear unit for type testing purpose, wherein said type test compartment comprising: a tank welded assembly having one or more internal components, wherein the door of the welded assembly sealed by means of bolted door using a plurality...

The present disclosure relates to a system for online monitoring of a disconnector switch, having a moving contact of a first colour and configured to be moved to overlap a one or more fixed contacts of a second colour while operating the disconnector switch, in a switchgear. The system includes an imaging device to...

The present disclosure relates to a switchgear cabinet that includes a base member, and a vertical member configured with the base member. The vertical member includes one or more openings corresponding to one or more guide rails of a vacuum circuit breaker. The one or more openings facilitates a passage for the VCB...

The present invention uses two plug-in points for single plug-in box splitting the jaws and current path, flexible copper cables/braids in two parallel paths. Splitting the current path into two plug-in points allows using two braids of lesser cross-section area per phase, which helps in avoiding bending issue for f...

The present disclosure relates to an interlock assembly (100) for a ring main unit (RMU). The interlock assembly (100) includes a base plate (102) to be mounted on a face of the RMU (124). The base plate (102) includes an opening (104). A first cover plate (130) operatively configured with the base plate (102), the ...

The present disclosure relates to a device for measuring a relative distance between adjacent busbars in a switch gear. The device includes a longitudinal first member configured to facilitate gripping of the device by a user. A second member configured to be removably coupled with a first end of the first member. T...

The present disclosure relates to a racking assembly adapted to be configured with a first opening of a door of a switchgear. The racking assembly includes a cylindrical casing having a second opening corresponding to the first opening of the door. The cylindrical casing includes therein a retractable arrangement co...

The present disclosure relates to a drive shaft assembly for a MCCB. The drive shaft assembly includes a plurality of cavities. At least one cavity of the plurality of cavities comprises a first slot and a second slot such that the first slot is electrically isolated from the second slot via a partition wall. A movi...

The present disclosure relates to a magnetic tripping coil assembly. The magnetic tripping coil assembly includes a mounting frame. A magnetic coil configured on the mounting frame, and the magnetic coil comprises a plunger. A bracket pivotally configured with the mounting frame such that a first end is configured t...

The present invention discloses a method and an energy meter for detecting abnormal magnetic fields by employing the shunt splitting principle to provide tamper proof and precision metering. In particular, the present invention aids with detecting magnetic field with an existing component (shunt which is used for cu...

The present disclosure relates to an earthing truck having a first unit (102), a second unit (104) movably configured over the first unit (102). A position indication arrangement configured with the first unit (102) and the second unit (104). The position indication arrangement includes a horizontal member (106) con...

The present disclosure relates to a system for facilitating one or more temperature sensing devices inside a tank of a gas insulated switchgear. The system includes a bursting disc assembly configured to be fitted in the gas insulated switch gear. The bursting assembly includes a bushing configured with one or more ...

The present disclosure relates to a switchgear. The switchgear includes a busbar compartment having a first earthing switch, and a circuit breaker compartment, having a first switch, electrically coupled with the busbar compartment. The circuit breaker compartment is electrically configured with the busbar compartme...

The present disclosure relates to a system for accuracy rate check of an energy meter. The system includes a first load removably coupled with load terminals of the energy meter, and the first load has a set of pre-defined attributes. A processing unit having a processor operatively configured with the first load an...

The present disclosure relates to a current transformed (CT) contact assembly for a relay. The CT contact assembly includes a first section electrically configured with secondary terminals (first secondary terminal and second secondary terminal) of the current transformer. The stationary section includes a first con...

The present disclosure relates to a circuit breaker racking mechanism (100) that can include a cradle (102) having slots 108. A first member 104, on a first side of the cradle (102), having legs (106) slidably configured to move, through the slots (108), in a first direction. A locking assembly (110) configured on a...

The present disclosure relates to a system for identifying tempering of an energy meter. The system includes a waveshape monitor device operatively configured with an output of a current transformer of the energy meter, to monitor waveshape of an output signal of the current transformer. The system can receive, from...

The present disclosure relates to a regulated power supply that includes a rectifier electrically coupled to an input supply for converting an AC voltage into a DC voltage. A voltage regulator electrically coupled with the rectifier to regulate the DC voltage output of the rectifier. The voltage regulator comprises ...

The present disclosure relates to an apparatus for performing trapping on one or more components. The apparatus includes a first tapping station, and a second tapping station operatively configured, through a connecting track, with the first tapping station. The first tapping station is configured to perform a first...

The present disclosure relates to a protection circuit for circuit breaker. The protection circuit includes an electromagnetic coil electrically configured with circuit breaker. A first circuit electrically configured with the electromagnetic coil, and the first circuit is configured to trip the circuit breaker when...

The present disclosure relates to a regulated voltage power supply that includes a rectifier electrically coupled to an input supply for converting an AC voltage into a DC voltage. A voltage regulator electrically coupled with the rectifier to regulate the DC voltage output of the rectifier. The voltage regulator in...

The present disclosure relates to a linkage mechanism in a motor operator for indicating state of a moulded case circuit breaker (MCCB). The linkage mechanism includes a latch having a first end and a second end. The first end of the latch is coupled with an actuator configured with the MCCB, and the second end is o...

A multi-core processor-based modular Shunt Active Harmonic Filters (SAHF) system (102) is disclosed, comprising a master control card including sensors (108, 102-1) and a multi-core processor, and multiple SAHFs (102-A,102-B) configured between a power source (104) and a load (106), where the SAHFs (102-A,102-B) are...

The present disclosure relates to a system for grinding trip plate. The system includes a first mount for mounting a first trip plate, and a second mount for mounting a second trip plate. A grinding wheel is configured with movable first mount and second mount for grinding the first and second trip plates. The grind...

A moulded case circuit breaker, MCCB (1), comprising: a front cover (4) pivotably coupled to a main cover (3) of the MCCB, said main cover (3) comprises at least one cavity (3a) integrating at least one internal accessory (2) into the cavity (3a), wherein the internal accessory (2) is operably coupled to a tripping ...

A Current Transformer to power up a trip unit of switchgear comprising a plurality of adjoining iron cores with a small air gap between them, the iron cores comprising a main core (A) and a secondary core (B), wherein the main core (A) is configured to meet the power requirement of the trip unit, and the secondary c...

The present invention discloses a system for Optocoupler based switching in an energy meter. In particular, the system (10) comprising: an Optocoupler switch (11) and a controller (12) where the Optocoupler (11) is operatively coupled to controller (12). The Optocoupler switch (11) comprising: a light source (111) t...

The present disclosure relates to a flood protection device for a switchgear. The protection device includes a housing, having an electrical circuit, with plurality of holes at base of the housing for entering the flood water. The electrical circuit is electrically open until the flood water enters the housing. An a...

The present disclosure relates to a device (100) for locking and unlocking at multiple defined positions in withdrawable circuit breakers, the device includes a movable unit (102) moveably mounted to a fixed unit (104), a driving mechanism (108) having at least two driver plates (110) configured in the fixed unit, t...

The present disclosure relates to a pressurized fluid filling device that includes an inlet adapted to be configured with a pressurized fluid source, an outlet operatively configured with the inlet through a passage, and a fluid control mechanism. The outlet being adapted to be configured with a container to be fill...

A double deck interleaved busbar system (100) is disclosed. The busbar system is comprised of a panel having a plurality of parallel busbars (122) that is adapted in a busbar compartment to deliver a current to at least one horizontal busbar and at least one vertical busbar. The parallel busbars are running througho...

The present disclosure relates to a current transformer (200) to be configured around bushings (302) of a gas-insulated switchgear (300). The support arrangement includes a support plate (102), having a first plurality of holes (102-1), configures to place the current transformer (200) thereon. One or more stiffener...

The present disclosure relates to an arrangement for an electrically connecting potential transformer with a conductive path of gas-insulated switchgear. The arrangement includes a first assembly electrically configured with primary windings of the potential transformer. The first assembly includes a shaft A electri...

The present disclosure relates to a triggering mechanism for a release. The triggering mechanism includes an overload shaft having a plurality of extensions. A first bimetallic member operatively configured with at least one extension of the plurality of extensions. A second bimetallic member, configured on a heater...

The present disclosure relates to a backup power supply system, operatively configured with a power supply entity, in an area of interest. The system includes a backup power supply electrically configured with one or more electrical appliances in the area of interest. The system being configured to receive, from the...

The present disclosure relates to an interlock arrangement to be configured with the disconnector mechanism of the switchgear. The interlock arrangement includes a horizontal member, having a first end and a second end, orthogonally configured with a circular member of the disconnector mechanism. Moving the horizont...

The present disclosure relates to a fail-safe mechanism for earthing a connecting cable, coupled between first gas-insulated switchgear and second gas-insulated switchgear. The fail-safe mechanism includes a first rotating cam arrangement configured with the first gas-insulated switchgear. During earthing of cable s...

The present disclosure provides a switching mechanism (100) for a potential transformer (PT). The switching mechanism (100) includes an input shaft (1). The switching mechanism (100) further includes a cam (7) coupled to the input shaft (1), such that rotation of the input shaft (1) results in corresponding rotation...

ABSTRACT INTEGRATED TEST TANK OF GAS INSULATED SWITCHGEAR An integrated test tank (13) of Gas Insulated Switchgear, GIS, the tank comprising: an insulating SF6 gas filled leak-proof enclosure having a geometrical shape with a plurality of surfaces, and a plurality of legs on at least one surface of the test ta...

A residual current circuit breaker with overload protection, RCBO, comprising: a contact system (1) for carrying current; a mechanism (2) to close or open contacts; a fault indication arrangement adapted for different fault indication for short circuit and residual current fault; at least one fault detection unit a...

The present invention relates to an interlocking safety device for a sheet metal bending and/ or punching machine. The interlocking safety device for a sheet metal bending and/ or punching machine for bending and/ or punching a metal plate inserted between an upper die and a lower die; comprising a) a plurality of i...

The present disclosure relates to a fail-safe mechanism for a bus coupler (200) and a bus riser (300). The fail-safe mechanism includes a first locking arrangement configured with the bus coupler. The first locking arrangement includes a push-button (102), operatively configured with a voltage circuit breaker (VCB) ...

According to an embodiment of the present invention, an electronic trip unit of a circuit breaker is disclosed. The electronic trip unit comprises of a primary microcontroller unit, MCU, configured to issue a first trip command to the circuit breaker upon detecting a fault, a secondary MCU configured to issue a sec...

The present disclosure relates to a protection mechanism for protecting line to earth fault in a gas insulated switchgear (GIS). The protection mechanism includes an electromagnetic coil electrically configured with a first disconnector switch of the first gas insulated switchgear. The electromagnetic coil comprises...

The present disclosure relates to an arrangement (100) for controlling one or more rating parameters of a release configured with a switchgear. The arrangement (100) includes an overload shaft (102) operatively configured with a magnetic shaft (106) of the thermal magnetic release. The overload shaft (102) includes ...

The present disclosure relates to a linkage mechanism between an auxiliary switch and a ring switch of a switchgear. The linkage mechanism includes a driving link operatively configured with an actuating arm of the ring switch such that a rotation of the actuating arm facilitates a first sliding movement of the driv...

A low voltage switchgear device 200 with a rotary mechanism 202 includes a vertical rotor 102, a horizontal rotor 104, a horizontal gear 116, and a plurality of springs 108. The vertical rotor 102 is coupled to the horizontal gear 116 to drive which is pivoted on a horizontal bush 106, such that a clockwise rotation...

The present invention relates to a system (100) and method for auto-adaptable Maximum Power Point Tracking (MPPT) of solar drive. System (100) comprises one or more photovoltaic (PV) panel arrays (102), inverter (104), controller block (106), and induction motor (108). Controller block (106) coupled to one or more P...

The present disclosure relates to an interlock lever assembly for an under-voltage coil. The interlock lever assembly include a supporting bracket adapted to be mounted the under-voltage coil therewith. An interlocking lever slidably configured with the supporting bracket through a guiding slot in the supporting bra...

The present disclosure relates to a circuit system (100) for voltage protection and shunt release. The system includes an electromagnetic coil (110), a silicon-controlled resistor (SCR) (115) with a gate terminal connected to the electromagnetic coil (110), and a shunt release circuit (120). The electromagnetic coil...

The present disclosure relates to an arrangement (100) for rotary actuation of one or more contacts (102). The arrangement (100) includes a mechanism (104) operatively coupled to one or more contacts (102) via a drive shaft (106) of a first pre-defined shape. The arrangement (100) also includes a drive plate (108) o...

The present disclosure pertains to a system 100 comprising an energy meter 104 that communicates with an Automatic Meter Reading System 106 and an In home display 102 utilizing a transceiver. The system 100 operates a single RF transceiver by switching one or more modes, a modulation, a frequency, a power for commun...

The present disclosure relates to a circuit for voltage regulation in an energy meter. The circuit (200) includes a first capacitor (202), a first diode (214), a second diode (220), a second capacitor (226) and a third leg (232). The third leg (232) includes one or more diodes (234), wherein the one or diodes (234) ...

The present invention provides a terminal cover/shield which is assembled on the load and line side termination to provide enhanced ingress protection, avoid electric shock to users during service and maintenance and channelized gas exhaustion from the circuit breaker during a short-circuit interruption. The one or ...

The present disclosure relates to door interlock assembly (100) for a circuit breaker (101), the door interlock assembly (100) may include a support plate (102) adapted to be configured to a door (103) of the circuit breaker (101). A first interlock component (104) and a second interlock component (112) are coupled ...

The present invention provides a simple, efficient and improved capacitor drop power supply circuits with temperature management mechanism that reduce internal temperature and ultimately helps to increase life of meter. The capacitor drop power supply circuits includes provides 3 zener diodes (Z1, Z2 and Z3) are use...

The present invention provides a current carrying device (for example a circuit breaker) is disclosed. The device includes a breaker-assembly (1) having a breaker-finger (11), and a cradle-assembly (2) having a cradle-contact-assembly (2a) and an adaptor-assembly (2b). The device includes an adaptor (28) of the adap...

A door locking and sealing arrangement for a switchgear panel is disclosed. The arrangement comprises: a door (02) swingably mounted to the panel (01) via a hinge mechanism on one side; and a door locking arrangement, comprising: a center door handle (10) adapted to provide locking and unlocking by rotating in oppos...

The present invention provides an apparatus (100) for calibration of a crystal (204) associated with a real time clock (RTC) (202) of an energy meter (200) is provided. The apparatus includes a microcontroller (102) to generate a clock signal through a pulse output (208) of the energy meter, a transceiver (104) to d...

The present invention relates to current measuring system, device and method for noise cancellation and accurate measurement of electric current. The system includes a current measuring device (100) having an input end to receive an electric current, wherein the electric current includes an alternating electro-magne...

A residual circuit breaking device 100 may include a residual current transformer 102 configured with and a signal processing unit 204, a voltage independent circuit 104, a voltage dependent circuit 106, and a tertiary winding 108 wound over secondary winding 110 to detect at least the AC leakage current, such that ...

The present disclosure relates to an electrical contact device (10) with blow-off force compensation, said electrical contact including an adapter base (211) configured between an adapter pin (213) at one end of said adapter base (211) and at least one terminal pin (212) at the other end of said adapter base (211), ...

The present disclosure relates to an arrangement for a compact secondary substation (CSS). The arrangement includes a first base box configured to have a transformer compartment, of the CSS, positioned there above. A top surface of the first base box comprises a plurality of perforations for allowing the flue gases ...

Embodiments disclose an advanced plug-in assembly for withdrawable circuit breakers, said assembly comprising: a moving kit (1) comprising: a withdrawable circuit breaker operably coupled to a rear plate assembly and an actuator; a fixed kit (2) comprising: a plurality of plug-in bases; a left-side plat...

The present disclosure relates to a shutter assembly for an air insulated switchgear. The shutter assembly includes a first operating link and a second operating link. The first operating link and the second operating links are configured to be actuated by actuators of a vacuum circuit breaker while rack in and rack...

The present disclosure relates to an overtravel compensating mechanism (100) for resetting a molded case circuit breaker (MCCB), the mechanism includes a tripping medium (102) configured in chassis adapted to trip the MCCB. An operating handle (118) of an operating mechanism (104) movable between a trip state and a ...

A noiseless electrical modular switch comprising a bottom housing (1) adapted to fit a sub-assembly damper, wherein the sub-assembly damper fitted within the bottom housing (1) comprises an assembly of a primary damper (2) and a plurality of fixed metal contacts (3, 4) adapted to fit inside said primary damper (2), ...

The present subject matter relates to a 5 steps fan regulator for adjusting speed of a fan. The five steps fan regulator includes a regulator housing, a PCB assembly, a PCB lock cover, a full flat operating knob with amalgamated indicator flag feature and a front cover with windows for flag feature. The full flat op...

The present disclosure relates to a power regulator circuit (200) that includes a user input interface (202) configured for receiving specific instructions or commands from a user. A selector knob (204) is configured to select and adjust various operating parameters of the circuit. A zero-crossing detector (206) is ...

Embodiments of the present disclosure provide a system (100) for swiveling a circuit breaker (2). The system (100) comprises a cradle (1) with a racking mechanism (200). The racking mechanism (200) swivels the circuit breaker (2) along a pivot axis of the circuit breaker (2) for an engagement and disengagement of on...

The present disclosure relates to a method (100) for auto-calibration in energy meters, the method includes placing (102) uncalibrated energy meters onto a calibration jig, sending (104), by a processor, a command from a master application through a communication medium to initiate the calibration process, performin...

Embodiments of the present disclosure provide a system (100) for temperature measurement of a bus bar (1).The system (100) comprises the bus bar (1), a clamp (2), an enclosure (3), and a cover (4). The clamp (2) is adapted for surrounding the bus bar (1). The enclosure (3) is fitted into the clamp (2) such that the ...

The present disclosure relates to an earth switch assembly for an air insulated switchgear. The earth switch assembly comprises an earth switch. A chamber is configured with the earth switch and filled with a sulphur hexafluoride (SF6) gas. A pressure regulator is operatively coupled to the chamber for maintaining a...

A motor operated mechanism for circuit breaker including a side plate, comprising: a motor arranged on the side plate in the circuit breaker, an epicyclic gear assembly operatively coupled with a motor shaft of the motor such that the rotation of the motor shaft facilitates rotation of the epicyclic gear assembly...

The present disclosure relates to a rotary handle (110) for circuit breakers (CBs) (140). The rotary handle (110) includes a pivotable cam (116) having a cam follower (120) slidably configured thereto to move towards or away from a pivot point of the cam (116), and a cam guiding surface (126) having a contour that e...

The present disclosure relates to an interlock assembly (100) for a gas-insulated switchgear. The interlock assembly (100) includes a linkage unit (102) configured in a bus riser (104) and a bus coupler (106) of the switchgear. The linkage unit (102) includes a first linkage mean (108) movably coupled in the bus ris...

An actuating mechanism for a moulded case circuit breaker (MCCB) comprising: a Stored Energy Electrically Operated Mechanism (SE-EOM) comprising a motor, an epicyclic gear assembly operatively coupled with a motor shaft of the motor such that the rotation of motor shaft facilitates rotation of the epicyclic gear ass...

The present disclosure relates to a flux shift device (100) that includes a fixed core (102) serving as a stationary component within a magnetic circuit. A permanent magnet (104) generating a constant magnetic field to power the magnetic circuit and hold a movable core (106) in its default closed position. The movab...

The present disclosure relates to a handle locking arrangement (100) for the withdrawable relay, the handle locking arrangement includes a bezel (102) configured as an outer casing that accommodates handle lock assembly. A handle (104) coupled to the bezel is adapted to move from a close position to an open position...

The present disclosure relates to a support arrangement (100) of potential transformer in gas-insulated switchgear. The support arrangement includes a support bracket (104) of the potential transformer that is mounted on a cable chamber (106). A plug flange (112) is accommodated in welded assembly of tank, the plug ...

The present disclosure relates to a safety interlock mechanism (100) that includes a padlock interlock element (104) accommodated on a side plate (102) and configured to interact with a padlock (114). A slider (112) is coupled to the padlock (114) and a slider slot (116) coupled to the slider (112) is configured to ...

The present disclosure relates to a low-voltage transfer switch (100) that includes a set of switch disconnectors (102-1, 102-2) that disconnects a load from a power source and a backup source. A set of contact poles (104-1, 104-2) establish or interrupt the flow of electrical current in the circuit. A mechanism (10...

The present disclosure relates to a modular contact system (400) that includes a plurality of modular contact system poles (202) configured in a side-by-side arrangement that operates as both a transfer switch (200) and a switch disconnector (206). A rotor (214) is operable to control the movement of the plurality o...

The present disclosure relates to an actuating mechanism (100) of a circuit breaker, the actuating mechanism includes an LHS plate (104) accommodating a first and second door interlock components (102-1, 102-2). A rack front pin (112) engages with a rack assembly (114) to guide the linear movement of the first and s...

The present disclosure relates to a device (100) for regulating the speed of a fan, the device includes a rear housing (112) that provides a structural enclosure of a printed circuit board (PCB) assembly (110) secured by a plastic plate (108). A front cover (106) accommodates two separate knobs for user interaction,...

The present invention provides a quad break sliding-rotary contact system for a switching devices, the system comprises at least one rotor assembly assembled with one or more components placed on a top of the switching device, at least one contact pole assembly connected with a fuse of the switching device and a dev...

The present disclosure relates to a system (100) of detecting vibrations associated with external interference in an energy meter. The system includes an accelerometer (102) that measures the acceleration of the energy meter along three different axes. A sensing element (104) monitors changes in inertia along a spec...

The present invention describes a switchboard structure (100) for double door construction. The switchboard structure (100) comprises a plurality of vertical components including a front vertical pillar (3), a mid-vertical pillar (6) and a rear vertical pillar (7) together fitted with a top frame (1) at the top ...

The present disclosure relates to an electromagnetic switching device (500) that includes a contact spring (502) with a compression-type configuration, the contact spring comprising a coil at the top with an outer diameter smaller than that of the coil at the bottom defining a tapered or conical configuration. A fix...

The present disclosure relates to a ventilation arrangement (100) of the switchboard, the arrangement includes a hood (102) configured to control airflow within the switchboard. The hood includes a flap (202) configured to generate pressure within the hood (102) to induce a jet effect, a mesh (204) that maintains th...

The present disclosure relates to a safety interlock mechanism (100) that includes a draw-out interlock element (104) positioned on an upper base of an electrically operating mechanism (EOM) (114). The draw-out interlock element configured to selectively obstruct a slot 108 of a draw-out mechanism. A handle (102) is...

The present disclosure relates to a system for load monitoring, the system (100) includes an energy meter (102) configured to measure the energy consumption data of one or more appliances (104) coupled to the energy meter. The energy meter is configured to incorporate a capturing mechanism (106) to capture a set of ...

The present disclosure relates to a system (100) for bidirectional communication, the system includes an infrared light emitter (102) that is configured to operate as both a transmitter and a receiver. The infrared light emitter is configured to transmit a set of data from an electronic energy meter to a utility ser...

The present disclosure relates to an electrical switchgear that includes cradle contacts (102) securely affixed to a cradle support (104), the cradle contacts (102) establish electrical connections with external conductors. A circuit breaker having a top terminal (110-1) and a bottom terminal (110-2) is securely att...

The present disclosure relates to an actuating mechanism (100) of a miniature circuit breaker (MCB), the actuating mechanism includes a knob (104) is pivotally mounted in a housing (102). A contact holder (108) securely fastened to a moving contact (110), both pivotally mounted on a kinematic pin (112) within the ho...

A rotary operated mechanism (ROM) installed in a circuit breaker. The ROM includes an enclosure (4) with a rotary handle and gear train arrangement to drive a knob (11) of the circuit breaker, wherein the knob (11) of the circuit breaker is insertable in a rack (7) of the ROM. The ROM includes a slider (8) coupled w...

The present disclosure relates to a system (100) for electrical distribution, system includes a rotary-operated mechanism (ROM) (104) configured to operate a molded case circuit breaker (MCCB) (102) by a rotary handle (106) accommodated on the ROM (104). One or more inserts (202) are removably configured on an enclo...

The present disclosure relates to a system (100) for electrical distribution, the system includes a rotary-operated mechanism (ROM) (104) configured to operate a molded case circuit breaker (MCCB) (102) by a rotary handle (106) accommodated on the ROM (104). A slider mechanism (200) integrated within the ROM (104), ...

Aspects of the present invention relates to compensating for phase shift due to multi power factor pulsating direct current (DC) in an energy meter. The present invention dynamically corrects for phase shift in an electronic energy meter by sensing current provided to the energy meter, obtaining a waveform of the se...

The present disclosure elaborates upon a circuit breaker (100) for protecting an electrical device from leakage current and overvoltage. The circuit breaker (100) includes a protection circuit (102) for detecting leakage current and overvoltage through the electrical device and/or the circuit breaker. The protection...

The present disclosure pertains an apparatus (100) for determining a loose electrical connection in an energy meter. The apparatus (100) includes one or more sensing devices (102-1, 102-2, 102-3, 102-4) connected to each of a plurality of terminals (112-1, 112-2, 112-3, 112-4) of the energy meter. The one or more se...

The present disclosure relates to an automatic transfer switching mechanism (100) that includes one or more solenoids (202) including a first solenoid and a second solenoid, the first solenoid and the second solenoid convert electrical energy into linear motion. The actuation of the corresponding solenoids initiates...

The present disclosure relates to a system for remote monitoring and data communication in industrial automation, the system includes a universal remote monitoring unit (102) configured to collect and transmit a set of data from two or more versatile gateway devices through a RS485 protocol (106). A cloud server (11...

The invention relates to a method for mounting safety feature for a rotary operated mechanism (ROM) of a circuit breaker system. The circuit breaker system comprising: a rack, a MCCB knob, an internal gear, two pinions, a spur gear, a rotary operated handle, compression springs and mounting links. The method compris...

A method of Self-Locking Latch pin in an electronic device, comprising the steps of: inserting the Cam latch pin assembly into the Bezel (1); rotating Cam latch the pin assembly 90-degree anticlockwise direction; wherein inserting the Cam Latch Pin assembly into the Bezel cutout in such a manner that the 90-degree g...

The present invention provides a co-centric current transformer (CT) assembly with optimized compact design, the assembly comprises at least one main iron core CT wherein a main winding performed on the iron core CT, at least one secondary core wherein a secondary winding performed on the secondary core, at least on...

A method for resetting a tripped relay after the fault is cleared using reset mechanism, comprising the steps of: pressing a reset button (6) against a torsion spring (8), wherein the reset button (6) is coupled to a coupler (3); touching the coupler (3) with the reset button (6), pushing it down to reset a latching...

The present disclosure relates to a system (100) for monitoring a circuit breaker, the system includes an electronic trip unit (ETU) (104) configured to evaluate status of the circuit breaker (102) for detecting making current release (MCR). The electronic trip unit is configured to determine transition status of th...

The present disclosure relates to a switchgear device (100) with heat dissipation arrangement, the switchgear device includes a fixed contact (104) configured to provide electrical contact during operation of a circuit breaker (102). A moving contact (106) facilitates an engagement and disengagement of the moving co...

The present disclosure relates to a module mechanism for mounting add-on modules (106) into the cradle assembly (104), the module mechanism includes a backplate (202), a pair of cam plates (204-1, 204-2) accommodated on left and right sides of cradle side plates (110). A guide pin (210) enables controlled sliding mo...

The present disclosure relates to an actuating mechanism (100) for a molded case circuit breaker (MCCB). The actuating mechanism includes a pair of solenoid assemblies including a first solenoid assembly (102-1) and a second solenoid assembly (102-2), actuated concurrently with a motor to operate an epicyclic gear t...

Aspects of the present invention relates to an electronic module (100) for an aquaculture system is disclosed. The electronic module (100) includes one or more aerators (106-1, 106-2, 106-3, …., 106-N). Each of the one or more aerators (106-1, 106-2, 106-3, …., 106-N) has an associated controller (105-1, 105-2, 105-...

A circuit breaker with a thermal magnetic release mechanism is disclosed. The circuit breaker includes a slider (4) engaged with a magnetic knob (3) by a cam arrangement, wherein the magnetic knob (3) having a spiral feature adapted to connect with a cam profile of the slider (4), such that a movement of the magneti...

The invention intends to solve the problem of providing terminal shields with proper fitment for arc venting and locking the shield with access control. Fail safe rear plate shielding arrangement to avoid ground fault arcing. Interphase barrier arrangement to ensure longer length insulation between bare cables in in...