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Patent Searching and Data


Matches 601 - 650 out of 4,630

Document Document Title
JP5354618B2
To provide a circuit breaker having a current limiting function in which it is hard to illegally use and modify, and when regularly changing a contract current, an operation current according to the contract current can be changed easily...  
JP5354620B2
To provide a circuit breaker which can prioritize set values determined by an operation reference current value setting section to perform setting of operation reference current values with flexibility in the cases where a work is carrie...  
JP5351533B2
To provide a circuit breaker stopping supply of power to a determination circuit after breaking, even in case an operation power source of the determination circuit is taken further from a power source side than a power source side termi...  
JP5351062B2
PURPOSE: A battery circuit breaker is provided to secure the operation of a trip coil by supplying the necessary voltage when the short-circuit current is flowing in an alternating current converter. CONSTITUTION: A battery circuit break...  
JP5345444B2
To surely protect a wiring path from heating, by keeping changes of a line current as a history in the duration of an excess current to early actuate a cutoff mechanism. In an electronic molded-case circuit breaker, a CPU determines the ...  
JP5339973B2
To interrupt an electric passage between a drive circuit of a motor used for a pool floor elevating device and a power source by leakage of 5 mA in a leakage interrupter arranged in a pool for water depth adjustment and used for the pool...  
JP2013541166A
An electronic circuit breaker includes controllable mechanical contacts adapted to connect a primary power source to at least one load; and control circuitry for monitoring the flow of power from the primary power source to the load, det...  
JP2013540343A
An electronic circuit breaker includes controllable contacts adapted to connect a power source to at least one load, and a microcontroller for monitoring the flow of power to the load, detecting different types of fault conditions and au...  
JP5331548B2
A universal trip unit (10) for use with a circuit breaker apparatus (1) is provided and includes a communication unit (40) configured to communicate with a personality module (3) of the circuit breaker apparatus and to thereby receive ke...  
JP2013218896A
To provide an external tripping device of a circuit breaker capable of increasing the size of an electromagnet device in the winding-axial direction of a coil.An interlocking piece 11 having an interlocking rod 10, an operation handle 12...  
JP5324503B2  
JP5324344B2  
JP5322545B2
An objective of the present invention is to provide a circuit breaker capable of shortening a time for starting a tripping operation of breaker during occurrence of large current, without wear of contacts and welding, and having good ene...  
JP5319949B2
To provide a wiring apparatus which is interposed between a main earth leakage breaker and a load in each user, has a load cutoff function for protection against leakage and excess current, works as a wall-embedded plug receptacle, a tab...  
JP5310501B2
To provide an electronic ground-fault interrupter having an overcurrent determination function and a ground fault determination function which are integrated into a CPU that can suppress a tripping operation based on ground fault determi...  
JP5310463B2
The present invention provides an earth leakage breaker, the detection sensitivity of which can be set from low sensitivity to high sensitivity by a mechanical setting in a simple configuration, and which can be forcibly set in high-spee...  
JP5312833B2
To provide a circuit breaker, with which labor taken in a measurement work of grounding resistance can be made as little as possible after a grounding work is made, and which can easily check if the grounding work itself is properly carr...  
JP5313934B2
To solve the following problems: contact between a connection sheet and a fixed contact is destabilized to invite possibility of causing poor contact; and the connection arrangement space of the connection sheet is enlarged. The connecti...  
JP5302549B2
A circuit breaker is provided to miniaturize a bobbin and a main body by parallel winding a first coil and a second coil to the bobbin. A load connection part and a power connection part are arranged in a main body. A contact part includ...  
JP5295850B2
To provide an electronic circuit breaker which can make a circuit-breaking control circuit suitably continue its control after its circuit-breaking operation without taking any countermeasure such as enlargement of capacity of a power so...  
JP5295538B2
To provide a means capable of accurately detecting the occurrence of tracking phenomena and similar abnormal currents from a point of view different from conventional techniques. A first parameter acquired by converting an aspect of dist...  
JP2013182680A
To obtain an electric leakage circuit breaker in which an electromagnet device is arranged at a low-voltage portion, and which operates this electromagnet device for emergency short mode failures of an electronic component.An electric le...  
JP2013182821A
To enable a user to accurately know a factor of power failure by accurately grasping the factor when the power failure occurs.In an earth leakage breaker 2 as a switch to which wires c1-c3 of a three-wire system are connected, primary-si...  
JP5289648B2
Provided is an electronic circuit breaker equipped with a trip device in an electronic circuit and an electromagnetic trip device, such that the electronic circuit breaker can determine that an excess current is flowing in an alternating...  
JP5288757B2  
JPWO2012008088A
An earth leakage breaker is provided with the following. Level distinction machine 4 which outputs a plurality of pulses which show time beyond a plurality of standard levels as compared with each of a plurality of standard levels before...  
JP5283646B2
To provide a DC ground fault detecting relay having a function of identifying a ground fault line. The DC ground fault detecting relay 10: includes a ground fault power supply 11, a coupling capacitor 12, an N-pole selecting switch 13N, ...  
JP2013171799A
To reduce unnecessary cut-off operation while simplifying circuit configuration.A semiconductor breaker includes: a semiconductor switch unit which controls a conduction state between a power supply device and a loading device on the bas...  
JP2013168289A
To provide a circuit breaker with a fixing structure capable of surely fixing a core.A through hole 31b to be provided on a core 31, is shaped into an approximately square hole, an inner fixing rib 42 capable of fixing the core 31 by con...  
JP2013168290A
To provide a circuit breaker capable of surely fixing a core.A core 31 is shaped into a rectangular frame, an outer peripheral surface of the core, in other words a top surface of a top side and a bottom surface of a bottom side, a front...  
JP5268039B2
To provide a circuit breaker for reducing environmental load and assuring electrical safety by automatically stopping power supply to an electrical path in case that it is not necessary in the electrical path used in construction sites o...  
JP2013161753A
To provide a circuit breaker that can measure a cable way current independently of selection of a voltage line by only incorporating one current sensor, and that is used for a single-phase three-wire cable way.A circuit breaker has: a cu...  
JP2013161752A
To provide a circuit breaker capable of measuring a circuit current when housed in an existing circuit breaker case with reduced thickness even if a current sensor is made up of a Hall element and a current transformer.A circuit breaker ...  
JP2013158236A
To provide an arc control assembly.In accordance with certain aspects of the disclosure, a controller is provided that detects the presence of a fault condition on a secondary side of a transformer. Upon detecting such a fault condition,...  
JP5260330B2
The case has a bottom part (22) and a lid forming a cavity. The cavity has a box (58) including an activation orifice arranged at level of a side wall of the bottom part permitting to place an electromagnetic actuator. The box is adapted...  
JP5258670B2  
JP5258633B2  
JP5255923B2  
JP5253798B2  
JP5243344B2
A circuit breaker includes an external oscillation circuit (14) which generates a high speed external clock for operating a microcomputer (8) at a high speed, a timing circuit (15) which sets a timing corresponding to an oscillation stab...  
JP5245591B2  
JP5238582B2  
JP5230432B2  
JP5231061B2  
JP5226450B2  
JP5225448B2  
JP5225234B2  
JP2013125637A
To provide a circuit breaking device capable of individually and clearly indicating abnormal causes of an electric path in which an abnormality has occurred, even with a compact structure.A circuit breaking device 1 includes a circuit br...  
JP5215268B2  
JP5212005B2  

Matches 601 - 650 out of 4,630