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Matches 1,401 - 1,450 out of 3,676

Document Document Title
JP2003009378A
To obtain a ground-leakage breaker, whereby a main circuit can be broken surely, independently of the generation timing of ground leakage and the reverse connection of the main circuit is made possible, without having to increase the siz...  
JP3361574B2  
JP3359881B2  
JP3357168B2
PURPOSE: To reduce internal wiring work during assembling, enable assembling in one direction, and improve functionality by integrally arranging a load side terminal, an eddy current trip mechanism part, an opening and closing mechanism ...  
JP2002542584A
An integrated electrically actuable mechanical release mechanism provides three separate fault detectors each arranged to detect a different current-driven fault in an electrical circuit. In a preferred embodiment a bimetallic strip is u...  
JP2002542754A
A drive circuit for a residual current device comprises a transformer having a first and second primary coil each having n1 turns, and a secondary coil having n2 turns arranged to output a drive voltage responsive to any current imbalanc...  
JP3354722B2  
JP2002345145A
To reduce passing energy, miniaturize a circuit interrupter and contacts, and alleviate damage to a short-circuited portion, if load equipment is short-circuited, by accelerating determining a short circuit current.Receiving a time serie...  
JP3350508B2
PURPOSE: A load shutdown connector is provided changed so as to prevent a flashover in an operation to remove the load shutdown connector from an elbow-connector for a power cable. CONSTITUTION: A load shutdown bushing-insert (4) and an ...  
JP3344526B2  
JP3343967B2
PURPOSE: To provide a small-sized earth leakage breaker capable of surely cutting out a cable circuit. CONSTITUTION: A power source side contact 30 is provided between input and output terminals 31, 32 of the power source side line 3 of ...  
JP3344059B2  
JP2002324477A
To improve a conventional undervoltage trip device with a quick close auxiliary switch by partly changing the internal wiring structure so that it can deal with various kinds of wiring system.This undervoltage trip device with a quick cl...  
JP3341880B2  
JP2002315176A
To provide a circuit breaker in which a current flowing through an electric path can be measured easily.The circuit breaker detecting a current flowing through an electric path for each phase by means of a current transformer comprises a...  
JP3335041B2  
JP3335042B2  
JP3335100B2  
JP2002298726A
To provide a measuring device capable of being mounted on any existing circuit breaker of ordinary construction without shutting off the current flowing to the wirings nor requiring any wiring works.The measuring device is composed of a ...  
JP2002298725A
To provide a leak sensing device capable of sensing leak accurately.The leak sensing device is composed of a plug terminal of a battery 1, a first sensing resistance 4 connected to a first electric wire 2 in connection with the load, a s...  
JP2002532843A
A circuit breaker and method for interrupting the flow of electric current in a line having a load and a source including a first switch connected in series with the line and a first actuating device coupled to the first switch and adapt...  
JP2002279881A
To provide a more versatile ground-fault interrupter with incorporated power plug which is adaptable to different types of power outlet without restriction.The ground-fault interrupter with incorporated power plug to be used by inserting...  
JP2002281656A
To restrain caloric value of transistor 25, when a load current flowing in a main electric path 1 is increased.An operation unit 10 is provided with a state-calculating part 12, which obtains a value of the load current flowing in the ma...  
JP2002277491A
To overcome problems that require high accuracy in setting the position of a magnetic sensor when it is set in the vicinity of the center part where a small window is opened in the middle of a primary conductor, which causes a scattering...  
JP3317986B2  
JP3318583B2  
JP2002526886A
An electric circuit breaker (1) contains an electronic tripping unit (5) for processing a signal of a current sensor (4) and a rated current plug connector (11) which interacts with the tripping unit (5). According to the invention, a re...  
JP2002526887A
An electrical power circuit breaker includes an electric overcurrent trip unit for processing a signal from a current sensor. A flexible connecting line is provided for connecting the current sensor to the overcurrent trip unit and a fir...  
JP2002231117A
To provide a circuit breaker for air plane responding to not only overload current but also arc generation.This circuit breaker 10 includes a movable contact 12 and a fixed contact 14, usually a stop 34a of a bell crank 34 having the mov...  
JP2002216613A
To provide a leak protective plug containing a protective earth plug allowing a stable protective earthing connection of a load side grounding wire for an outlet with earth electrode and also usable for an outlet without earth electrode....  
JP2002216612A
To provide a small, reversely-connectable earth leakage breaker with narrow width.In the breaker, a switch 8 setting a test circuit to ON/OFF is installed in a printed board 9 and the printed board 9 is provided on the bottom of a lower ...  
JP2002208341A
To improve reliability of the product by absorbing the tolerance of the dimensions and scattering of mounting height of the attached switch installed on the circuit breaker and by steadily holding the switch cover in the designated posit...  
JP3306313B2
To provide an electric system having the function of protection from leakage current and arcs. An electric system, such as a system supplying power to an electric appliance 11, has the function of protection against arc current, that is ...  
JP2002184296A
To provide an earth leakage breaker capable of securely cutting off a pseudo leak current running through a test circuit as well as shutting a main circuit in an inexpensive structure.In the test circuit, a test terminal 1 and a test pin...  
JP2002184295A
To provide a test device of an earth leakage breaker to be easily assembled without using a strong fixed contact or enlarging a printed circuit board.The top of a flexible contact 6 attached to the soldered surface of the printed circuit...  
JP3086462U
An earth leakage breaker comprises a frame, a coil group arranged on the frame and magnetized by an electric signal from a leakage detecting device, an operating rod capable of linear movement around a central line of the coil group when...  
JP3086495U
The utility model discloses an earth leakage circuit breaker, one of the components of the electronic connection and leakage circuit breaker which can judge the abnormal operation by testing the function of cutting of electronic leakage,...  
JP3292359B2
PURPOSE: To confirm the operation of the single-phase three-wire neutral line open phase protective function of a circuit breaker easily by a method wherein, when a detecting circuit detects a voltage exceeding a predetermined value, a t...  
JP2002170477A
To provide a ground leakage breaker that the printed circuit board, on which a ground leakage detecting circuit is mounted with only surface mount parts in order to make it smaller and thinner, so that the entire breaker is miniaturized ...  
JP2002171658A
To accurately detect an overcurrent without shortening of sampling intervals in a circuit breaker which samples a current waveform flowing in a electric line and opens the electric line based on a result of a sampling.The sampling is per...  
JP3291740B2  
JP3085950U
The utility model discloses a ground leakage breaker, which can indicate with different colors, characters or signs to help the user actually distinguish whether leakage is generated or not. The utility mode comprises a trip coil; when a...  
JP3286446B2
PURPOSE: To provide a high-sensitivity direct current sensor which has a simple structure and an excellent detecting ability even against a DC earth leakage breaker, etc., especially, against very small current changes. CONSTITUTION: A d...  
JP2002140974A
To count number of opening and closing times considering contact ablation due to applied current of the circuit breaker, and to alarm and indicate a service life of an opening/closing part when the count reaches a defined num ber.Number ...  
JP3282519B2
To obtain an overcurrent protector which uses a current transformer with one current rating by a method wherein the output characteristics including the semi-saturation regions of a current transformer and a current detection unit are co...  
JP2002125312A
To provide an electronic tripping circuit and a regulator for circuit breaker, which can facilitate regulating work and has diagnostic functions as well.This electronic circuit breaker 20 is provided with a memory section 29, which permi...  
JP3275441B2
PURPOSE: To increase insulating effect of a primary conductor and improve reliability of an earth leakage breaker by installing a primary conductor insulating part in side face insulating parts which cover both side faces of a zero-phase...  
JP3271877B2
To provide a circuit breaker capable of maintaining stably contact between a movable contact of a movable contactor and a fixed contact of a fixed contactor relative to a current which flows until interruption of an electric path is comp...  
JP3271923B2
To provide a circuit breaker which can easily be installed in the body of a leak sensing device. In the body 11, a contact part including a plurality of electrodes is accommodated in such a way as partitioned by insulative walls, and a l...  
JP2002093298A
To stabilize tripping characteristics by correctly transmitting the bent displacements of bimetals to a compensation bimetal via a differential shifter mechanism without a loss.This circuit breaker is so constituted that a thermal over l...  

Matches 1,401 - 1,450 out of 3,676