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Matches 1 - 50 out of 3,669

Document Document Title
WO/2024/037735A1
A residual current circuit breaker device with an auto-test function is described herein. The device comprises a residual current circuit configured to be connected to a first current line between a power source and a load, the residual ...  
WO/2023/239410A1
Embodiments of the present disclosure provide systems and methods for a pool hub. The pool hub may include a primary electrical system, a pump, a secondary electrical system that receives power from the primary electrical system; a conve...  
WO/2023/237488A1
The invention relates to an assembly for an overvoltage protection device (10), with a disconnecting means (18) which has a spring arm (20) with a contact point (24) on the end side, and a holding element (22). The holding element (22) a...  
WO/2023/232347A1
The present invention relates to a residual current operated device (1) according to claim 1. The residual current device (1) is designed for connection in a supply network (2) with at least two supply conductors (3) and comprises - a sw...  
WO/2023/230161A1
A recloser including a circuit interrupter including a first contact and a second contact movable relative to the first contact between a closed position and an open position and an actuator coupled to the circuit interrupter, the actuat...  
WO/2023/208490A1
Slider switch (1) for breaking an electrical contact (2) and achieving a non-operational state (NO), the slider switch (1) comprising: a rotatable switching contact element (3) comprising a first arm (4), a second arm (5) and being pivot...  
WO/2023/200328A1
The present invention relates to a system configured to power up electronic circuit breaker (3) apparatus wirelessly, wherein system comprising: an energy transmitter (1) circuit and a loop of embedded antenna (34c) for channelling RF en...  
WO/2023/195651A1
The present invention relates to a manual motor starter and, more specifically, to a trip device for a manual motor starter. A trip device for a manual motor starter according to an embodiment of the present invention comprises: a trip u...  
WO/2023/159279A1
An electrical testing device comprising a first conductor, a second conductor, an active conductor, a neutral conductor, an earth conductor and one or more connectors to connect the active conductor, the neutral conductor and the earth c...  
WO/2023/150385A1
A circuit interrupting device including a line terminal, a wideband current sensor configured to measure a current flowing through the line terminal, a zero cross detection circuit configured to measure a voltage and frequency of the lin...  
WO/2023/134970A1
The invention relates to a high-voltage supply for drive motors of an electric vehicle, comprising a distribution box which receives high-voltage components and which comprises high-voltage connections (72.1 - 72.4) arranged thereon, sai...  
WO/2023/132831A1
Electrical devices, such as electrical switch devices, include a printed circuit board (PCB) that includes a communication circuit configured to communicate with a remote device and a processing circuit, a magnet, and a magnetic sensor c...  
WO/2023/081285A1
A power distribution panel includes power protection devices, a controller configured to control the operation of the power protection devices, and an electronic processor. The electronic processor is configured to receive electronic fie...  
WO/2023/052148A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - a housing with grid-side connections and load-side connections for conductors of the low-voltage circuit; - a series circuit consisting ...  
WO/2023/052042A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - a housing with grid-side and load-side connections; - a series circuit consisting of a mechanical separating contact unit and an electro...  
WO/2023/052108A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - a housing with grid-side connections and load-side connections for the low-voltage circuit; - a mechanical separating contact unit which...  
WO/2023/052146A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - the function of ascertaining the level of a differential current of the low-voltage circuit, - a mechanical separating contact unit so t...  
WO/2023/013303A1
A diagnostic device (10) according to the present invention comprises: current detection units (14r, 14s, 14t) that measure current values of currents flowing in a circuit breaker; and a diagnostic unit (11) that diagnoses the cause of a...  
WO/2023/277249A1
A leak current breaker according to the present invention comprises: a connection unit to which electronic equipment is connected; and a leak current breaking unit provided between the connection unit and a power distribution unit connec...  
WO/2022/264544A1
The present invention addresses the problem of protecting, from a surge current, a third contact (S3) for cutting off a power supply line to a leakage current sensing unit (5). A leakage current sensing circuit (1) is provided with a fir...  
WO/2022/231376A1
Disclosed are an intelligent earth leakage breaker and a control method for same. The intelligent earth leakage breaker comprises: a first detection unit which is disposed on a power supply side and detects current generated on the power...  
WO/2022/223148A1
An apparatus includes at least one fuse clearing switch operable to create a fault on at least one AC line between a fuse and a transformer of a substation. The apparatus further includes a control system configured to be coupled to an a...  
WO/2022/135799A1
The invention relates to a circuit breaker device (SG) for interrupting an electrical low-voltage circuit when current limit values or current time limit values are exceeded, having a housing with terminals (Ne, Na, Le, La) for conductor...  
WO/2022/133522A1
A power distribution system (1) comprises a power inlet (3). Two or more power outputs (5) each have a respective user-actuatable shut-off (9) and a respective RCD (9). An ELC monitoring system (7) provides a respective measure of ELC fo...  
WO/2022/106567A1
An apparatus (1) provided to connect at least one device (2) to a power distribution system (3), said apparatus (1) comprising a human machine interface, HMI, (4) having elements to interact with the apparatus (1), wherein the human mach...  
WO/2022/106527A1
The invention relates to an electronic switching protection apparatus comprising: - a phase current line and a neutral current line; - a measurement sensor (1'); - an electronic protection tripping device electrically connected to the me...  
WO/2022/097864A1
The present invention relates to an earth leakage circuit breaker usable as an arc-fault circuit interrupter, and is to: install an arc detection module for detecting an arc and generating a digital signal, at one side of the earth leaka...  
WO/2022/094235A1
A visual trip indicator for a circuit breaker is disclosed. The electronic components of a visual trip indicator are enclosed in a module that attaches to the circuit breaker handle or within pocket defined in the circuit breaker housing...  
WO/2022/055975A1
The systems and methods herein described isolating a circuit breaker panel for a building from a grid circuit during an event disrupting the grid circuit. In one aspect, a interrupt switch system comprises a housing configured to mate wi...  
WO/2022/037163A1
A box core module, a plug module and a surge protective device. A plug module (8) comprises: a housing (2); bottom plates (4a, 4b); a plurality of box core modules (1) having independent tripping mechanisms; a first pin electrode; and a ...  
WO/2022/011469A1
Electrical system and method for detecting an end-of-life (EOL) of a circuit are disclosed. In an embodiment, the electrical system includes a sensing circuit for detecting variance of an input electrical power to an electrical device; a...  
WO/2022/010066A1
The present invention relates to an earth leakage circuit breaker, and the earth leakage circuit breaker comprises: a current detection unit that detects a current flowing in a circuit; a trip unit that cuts off a connection between the ...  
WO/2021/260907A1
The present invention provides a protective relay for which the creation of a name plate and paste work on the protective relay are not required. The protective relay comprises: a setting value information storage unit (4) which preser...  
WO/2021/253317A1
An Electrical Protective Device for Low-Voltage DC networks (EPDL) has a controller that on start-up first closes a mechanical relay (20) in a ground line, waits a first delay, then closes a bipolar transistor (24) to allow current to fl...  
WO/2021/240220A1
The invention is a device that provides a smart accurate fault discrimination (either inner or outer leakage current, overload, over current and short circuit ) for every specific load of all types (either resistive, inductive, capacitiv...  
WO/2021/181404A1
A relay assembly (104) connecting a power source (101) to an electronic component (102) in a high voltage system (100). The relay assembly (104) comprises a first relay unit (105), a second relay unit (106) positioned perpendicular to th...  
WO/2021/112870A1
Ground-fault circuit interrupter positioned between energy controlled supply circuit and load circuit which includes fault detection circuit that senses ground path current leakage to the load circuit, fault processing circuit that detec...  
WO/2021/106116A1
An electronic circuit breaker (1) is provided with a load current characteristic calculation unit (17) and an output unit (20). The load current characteristic calculation unit (17) calculates short-time delay load current characteristic...  
WO/2021/104065A1
A circuit breaker, comprising a housing assembly, and a contact system, an electric leakage protection mechanism and an electric leakage test mechanism arranged inside the housing assembly. The contact system comprises a handle (21), a c...  
WO/2021/101800A1
A circuit protection device including a positive temperature coefficient (PTC) device and a backup fuse electrically connected in series with one another, the backup fuse comprising a quantity of solder disposed on a dielectric chip and ...  
WO/2021/092350A1
Arc fault protection for a digital electricity distribution system that provides power to a device. The system includes an arc fault circuit interrupter ("AFCI") and a controller. The controller is connected to the AFCI. The controller i...  
WO/2021/046097A1
A solid-state circuit breaker (SSCB) with self-diagnostic, self-maintenance, and self-protection capabilities includes: a power semiconductor device; an air gap disconnect unit connected in series with the power semiconductor device; a s...  
WO/2021/014808A1
The purpose of the present disclosure is to achieve minimization. This leakage protection device (1) is provided with a plurality of opening and closing units (2), a board (B1), a leakage detection unit (3), and a driving unit (4). The p...  
WO/2020/263860A1
A solid state switch (SSS) monitoring system of an electronic device includes a SSS sensing component that is electrically coupled to a solid state switch. The SSS sensing component periodically generates a clocked pulse that polls the s...  
WO/2020/255440A1
A conventional ground fault direction relay device that determines a ground fault direction of its own line and performs a leakage alarm operation for the purpose of preventing an unnecessary movement (received movement) has a problem in...  
WO/2020/240097A1
The present invention relates to an electric line protection device (L), the device comprising, in a housing that it comprises, on the one hand, a plurality of coils (1, 2, 3) and a movable actuating element configured to be moved, under...  
WO/2020/240754A1
A breaker (1) comprises an open/close mechanism part (10), a tripping device (20), a detection part (30), a driving part (40), a body case (70), a light emitting diode (50), and a flashing control part (60). The open/close mechanism part...  
WO/2020/229239A1
The invention relates to a system for protecting an electrical source or an electrical load, having a module comprising an input and an output, and an electronic safety device for the load that can be connected to the source. The module ...  
WO/2020/215163A1
Arc fault current interrupter electrical devices and systems. An example is an electrical device comprising: a contact configured for electrical connection to a power line; at least one sensor to detect at least voltage signals indicativ...  
WO/2020/212021A1
The invention relates to a method (26) for detecting a current, caused by a fault, in a main current path (4) which has a first coil (10) which is inductively coupled with a second coil (12). An electric voltage is applied at the second ...  

Matches 1 - 50 out of 3,669