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JP3561408B2 |
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JP2004241163A |
To provide a release type electromagnetic device for ground fault circuit interrupter in which the electromagnetic device that is excitation driven by output current of a zero-phase-sequence current transformer can be operated by small f...
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JP3559165B2 |
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JP2004235099A |
To provide a ground-fault interrupter with fail-safe function in which the main circuit contact is compulsorily opened regardless of the occurrence or non-occurrence of ground fault at the distribution system side when a leakage current ...
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JP2004234978A |
To provide a ground fault interrupter capable of automatically adjusting sensitivity.The ground fault interrupter 1 detects a leakage current flowing through a main electric path 2 by a zero-phase current transformer 3, outputs an output...
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JP3554675B2 |
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JP2004200164A |
To provide a phase-interruption display device of a circuit breaker for thermally-actuated electronic type wiring to display that the phase-interruption is generated on line.This device includes a shifter 5 to horizontally move in accord...
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JP2004520682A |
A GFCI device (ground fault circuit interrupter), ALCI device (eg, ground fault circuit interrupter), provided with reverse wiring protection (FIG. 62) and optionally an independent trip section (FIG. 24) and / or a reset lockout section...
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JP2004193120A |
To provide a device and a method for detecting an arc occurring in an ac circuit, and extinguishing the circuit by not tripping the load existing in the particular circuit but tripping an arc extinguishing device.A current flowing in a l...
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JP3540604B2 |
To miniaturize an earth leakage breaker by arranging a burn preventive switch of a tripping electromagnetic device at a position not relating to the electromagnetic device or a tripping mechanism when the power source and the load are re...
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JP2004519185A |
The aircraft applicable current imbalance detection and circuit interrupter interrupts an electrical circuit when a current imbalance is sensed. The current imbalance detection and circuit interrupter includes a housing, power supplies, ...
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JP2004179096A |
To provide a trip button device making a trip lever rotate by pushing a trip button housed in a circuit breaker, making movable contactor open and separate by the operation of tripping mechanism, simply structured at low cost.In the trip...
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JP2004178964A |
To provide an electric leakage safety device enabling a load side electric device to continue a safe operation when a leak is generated.The electric leakage safety device comprises a leak detection means 40 arranged at power supply lines...
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JP2004178963A |
To provide an electric leakage safety device capable of visually confirming breakage of a lightning arrestor element with sureness and replacing it simply and quickly.A see-through part A made of a transparent or semitransparent material...
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JP2004172122A |
To provide a thermal overload relay achieving small size by horizontally arranging a main bimetal and a heater of an actuator part to lower the height of the the actuator part.The thermal overload relay comprises a plurality of main bime...
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JP3531396B2 |
To improve the parts assembling property, and to automate the part assembling work by fitting all parts to a printed board, and passing a primary side of a zero-phase current transformer through the printed board in the thickness directi...
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JP3531395B2 |
To facilitate the connection, disconnection and change of a coil spring by housing a base in a cover in the condition that a coil spring is interposed between an insertion hole position of a base and a reset member, and supporting the co...
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JP3527060B2 |
To provide a circuit breaker with an excellent shielding performance against a corrosive gas and an excellent hydrolysis-proof performance under a high humidity. A corrosive-gas-proof electric insulating coating is applied to a circuit b...
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JP2004139757A |
To provide a ground-fault interrupter of a simple structure capable of outputting a warning signal without making the size of an interrupter main body large.The ground-fault interrupter 1 is endowed with protection functions such as over...
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JP2004134375A |
To prevent unusual overheat accidents resulting from a glow contact formation in a conductor connection part.An electrical switching device, such as a receptacle, includes a line conductor circuit having a first temperature, a neutral co...
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JP2004134202A |
To ensure high creepage-insulation resistance between a fixed contact and a movable contact and prevent malfunction of a testing circuit caused by pollution by arc gas in current cut-off operation in an electrical leakage testing switch ...
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JP3520947B2 |
To achieve the low cost of a circuit breaker for breaking an electric path at an opening contact 6 at the abnormal time by detecting the overcurrent and the leak of the electric paths from current transformers 1-3. The outputs of current...
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JP2004103331A |
To provide an automatic restoration device of an outlet circuit capable of automatically restoring the outlet circuit only by turning off a power source of an unnecessary load when the outlet circuit is shut off, and of preventing the po...
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JP2004103542A |
To provide a circuit breaker capable of taking a power supply restarting stop measure from the outdoors when the absence of family members or un-confirmation of safety is notified from absent residents or neighboring residents to a power...
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JP2004095222A |
To reduce a longitudinal dimension of a ground fault interrupter having an over-current detecting function and improve its assembly workability.A current transformer 12 for each phase for detecting an over-current in a main circuit is ar...
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JP2004096818A |
To provide a ground fault interrupter, in which when an abnormal ground fault current occurs, high-speed operation is possible with few unwanted operations due to noise.The ground fault interrupter comprises first ground fault detection ...
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JP2004087154A |
To provide a test circuit of an earth leakage breaker in which the earth leakage breaker is protected against bursting or burning by preventing a test resistor from bursting or burning even if a test switch is depressed continuously when...
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JP2004069097A |
To provide a breaker device for gas hot water supply apparatus used in bath, which is easily restored at lightning strike to allow user to surely operate the device.A leakage current generated to a pair of feeders 32A and 32B due to a li...
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JP2004071197A |
To provide a single-phase, three-wire circuit breaker with a neutral conductor interruption protection performing the connection without working a phase interruption detecting lead wire or double-fastening with the neutral conductor when...
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JP3503396B2 |
To facilitate the assembling work by tripping a circuit breaker when the detected voltage becomes the reference voltage or below, releasing the engagement with a crossbar, and moving an actuator to the reset position with a reset lever v...
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JP2004063178A |
To provide a test circuit of an earth leakage breaker, by which a test switch can be miniaturized, and a wrong operation can be prevented.The test circuit 1 of an earth leakage breaker is so constructed that two test resistances 3a, 3b h...
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JP2004055384A |
To prevent a wire from an electric leak detector from interfering with other components by improving the reliability of electric leak checking.This fuel cell module 20 is so structured that a case 22 for covering a fuel cell stack 24 is ...
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JP2004055421A |
To provide a leakage display device of an earth leakage breaker allowing reduction in the number of components, saving labor in assembling, and cost reduction.An elastic locking piece 6b is integrally formed with a bobbin 6 around which ...
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JP2004031275A |
To improve the operational reliability and life of a double-pole ground fault interrupter.A bimetallic strip 6 is arranged on that side of a moving contact 5 which has a power terminal 3 opposite to a leakage detection mechanism 12. The ...
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JP2004022462A |
To provide a tracking breaker operating at the time point of occurrence of a fine discharge current due to a carbonized conductive path generation.This tracking breaker has: a current transformer 2 for detecting a current of an electric ...
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JP2004023850A |
To provide a circuit breaker for a single-phase three-wires with neutral conductor phase-interruption protection, capable of preventing omission of the connection of a lead wire for phase interruption detection to the neutral wire.A volt...
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JP2004022361A |
To provide a ground fault breaker for lowering the height of a breaker case.The ground fault breaker 3 packages a sensitivity selection switch 1 for switching sensitivity for detecting ground fault on a rectangular board 2. A coil for gr...
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JP2004022259A |
To provide a circuit breaker capable of simplifying the circuit configuration and reducing the power consumption, and possible to be miniaturized.This circuit breaker is provided with current transformers CT1-CT3, a full wave rectificati...
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JP2004022360A |
To provide a sensitivity switching apparatus for a ground fault breaker that prevents a knob from being removed in assembly, has improved assembly working efficiency, and prevents the operation projection of a selection switch from being...
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JP3489307B2 |
To prevent breaking of a leak testing movable plate, and easily and reliably install a cover on a body of a housing when a leak testing button is installed after an internal mechanism of an earth leakage breaker is housed in the housing....
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JP2004015961A |
To provide a ground fault interrupter with three-phase phase-failure protector which is strong against a vibration or an impact and which can be easily manufactured at a low cost.A zero-phase current transformer 2 for detecting a leakage...
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JP3485976B2 |
PURPOSE: To ensure the safety in the operation of a remote test switch by electrically insulating the input side and output side of a remote test device from each other. CONSTITUTION: A remote test switch H is closed to apply the AC or D...
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JP3482052B2 |
To easily install a power shutoff device in a house at low cost by using a detecting part in detecting vibration or inclination of a case part, and operating a leakage generating part if the magnitude of it exceeds a predetermined value....
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JP3475692B2 |
To easily discriminate the leakage condition and the electrifying condition by turning a display member around a pivotal support part with a movement of a movable frame between the normal condition and the leakage condition, and fitting ...
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JP3468463B2 |
A circuit breaker for a power/load circuit including a three-phase AC power supply and a load connected to the power supply by three live power lines. The circuit breaker includes a tripping circuit including switches connected in series...
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JP3468780B2 |
PCT No. PCT/EP99/01508 Sec. 371 Date Nov. 19, 1999 Sec. 102(e) Date Nov. 19, 1999 PCT Filed Mar. 9, 1999 PCT Pub. No. WO99/49490 PCT Pub. Date Sep. 30, 1999A rotation activated circuit breaker with a leading auxiliary switch, in which th...
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JP2003323841A |
To enable a check of an electric leakage detection even without opening the electrodes at the contact point for the main circuit by a breaking part in a ground leakage breaker.A means to connect a control means to form a control signal f...
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JP2003317598A |
To provide a circuit breaker improved in reliability and response of an arc-detecting circuit to an arc.The circuit breaker comprises a pole-opening mechanism 1 which cuts off a circuit connection between a power source and a load, an ar...
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JP2003310470A |
To provide an electric leakage indicator system for a bathroom capable of effectively informing bathers therein of electric leakage when it occurs.The system comprises an earth leakage breaker circuit 19 for cutting off circuits when the...
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JP2003288832A |
To provide a power supply equipment capable of preventing second disaster after destruction of a house or the like as well as interrupting power supply path by detecting an earthquake or the like.When power supply is stopped from an oute...
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