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JPH03129627A |
PURPOSE: To reduce the cost of a breaker by making a current limiting device into a unit and connecting one device or a plurality of devices in series to the end of a breaker casing. CONSTITUTION: When a current limiting casing 1B and a ...
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JPH0324007B2 |
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JPH0324008B2 |
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JPH0324006B2 |
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JPH0377228A |
PURPOSE: To terminate service life with a circuit kept in an open state by providing a resistor having higher electric resistance of a snap action bimetal on a position of the snap action bimetal interconnected with a bimetal supporting ...
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JPH0324009B2 |
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JPH0320854B2 |
A low-voltage circuit breaker comprises a current transformer which at least partly encloses a first connecting bar and is supported by a stationary carrier independently of a second connecting bar. In the region opposite this support, t...
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JPH0337931A |
PURPOSE: To improve the operation of electromagnetic type falling prevention latches by providing swash plate-shaped bearing means which surround support arms in the vicinity of first and second contacts, and thrust the latches to inert ...
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JPH0311518A |
PURPOSE: To maintain the effect of a contact spring almost equal to that when a fixed contact is in a closed state, even with opening movement of the fixed contact, to obtain a big opening distance by setting the angle of inclination of ...
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JPH02150752U |
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JPH0261771B2 |
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JPH0261770B2 |
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JPH02304819A |
PURPOSE: To provide a simple contact arm which is more inexpensive than before and which facilitates replacement for a contact by arranging a stop face of a latching member or the like on the shaft fixed to the movable contact arm. CONST...
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JPH02297830A |
PURPOSE: To provide an economical and effective electromagnetic circuit breaker by pressurising a flange of a tube onto its supporting surface with a pressure to stop the flange of the tube and by positioning all mechanism clamped togeth...
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JPH0245955Y2 |
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JPH02285923A |
PURPOSE: To sufficiently protect the device against a short circuit by a circuit breaker by simple constitution by operating an electromagnet, operating a changeover switch and bypassing an object to be protected when currents higher tha...
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JPH02285921A |
PURPOSE: To protect a short circuit sufficiently by a circuit breaker by simple constitution by providing an electromagnet and a switch, connecting the switch in parallel with an object to be protected and turning the switch ON in respon...
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JPH02285922A |
PURPOSE: To sufficiently protect the device against a short circuit by a circuit breaker by simple constitution by operating the operating section of an electromagnetic means, opening-working the normally closed contact of a switch and m...
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JPH0253903B2 |
PCT No. PCT/FR84/00003 Sec. 371 Date Aug. 14, 1984 Sec. 102(e) Date Aug. 14, 1984 PCT Filed Jan. 4, 1984 PCT Pub. No. WO84/02802 PCT Pub. Date Jul. 19, 1984.The switch comprises a stationary contact (2) and a moving contact (3) subjected...
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JPH02266270A |
PURPOSE: To rapidly interrupt an overvoltage impressed to an electrical circuit by providing an insulated moving body between a conductive rail furnished with a switching mechanism and another conductive rail, and applying a strong magne...
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JPH0241854B2 |
An electric switch, more particularly a current-limiter, to be actuated by a control pin (20) which indicates the OFF or the ON condition, and which can be opened also by the agency of thermomagnetic tripping mechanisms and by means of a...
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JPH02216728A |
PURPOSE: To eliminate any biased contact of stationary and movable contacts so as to prevent any defective conduction when the contacts are closed in contact with each other by positioning a torsion spring locked to another movable conta...
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JPH02181336A |
PURPOSE: To improve a current limiting characteristic by utilizing gas pressure of arc gas at the time of limiting current interruption as dissociation force of a movable contactor. CONSTITUTION: A fixed contactor 2 and a movable contact...
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JPH02163905A |
PURPOSE: To obtain a comparatively simple and economical protector designed to allow a single device unit to function as both of a motor protector and a short-circuit protector by providing a thermister with a positive temperature coeffi...
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JPH0228217B2 |
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JPH0280954U |
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JPH02106842A |
PURPOSE: To enable the protection of a current limiting mechanism from fused metal particles and high temperature gas scattered at the time of a large current breaking by enclosing a rotating part except a part parallel to the fixed cont...
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JPH0214164Y2 |
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JPH0213404B2 |
Arc extinguishing arrangement in breaking devices, such as electric circuit breakers, comprising a deionizing assembly or arc chute and an arc motivating assembly flanking the contacts of the breaker. The deionizing assembly in its p...
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JPH0279316A |
PURPOSE: To provide a circuit breaker which eliminates the need for compressing and baking an insulating paper to a periphery of a crossbar by adopting a configuration containing a plurality of contact support arms which are connected to...
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JPH029408B2 |
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JPH029415B2 |
A circuit breaker comprising a main contact portion and an actuator portion spaced therefrom and intercoupled therewith by a toggle mechanism, the main contact portion including a fixed-contact member and a movable-contact assembly being...
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JPH0251819A |
PURPOSE: To reduce the arc current and perform the reliable cutoff operation by providing an instant separation core and an interlocked repulsion shaft. CONSTITUTION: An instant core 20'a and a moving iron 19' are provided below an overc...
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JPH026181B2 |
Current limiting circuit breaker having a plurality of movable parallel contact arms vigorously moved in the open circuit position by electrodynamic repulsive forces at the appearance of a short-circuit current. The opening movement of o...
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JPH0158816B2 |
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JPH0151845B2 |
An electrodynamically opening contact system including a fixed and a movable contact element. The movable contact is biased by a prestressed spring arrangement which is pivotally mounted at one end while at its other end slidably engages...
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JPH0143973B2 |
1. Protective circuit breaker arrangement comprising two circuit groups (1, 2) electrically connected in series, a first circuit group (1), whose tripping device is in direct engagement connection with a switch contact device (3), and wh...
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JPH01235120A |
PURPOSE: To suppress the occurrence of the surge voltage and extent the life by providing a superconducting member on an excitation section between terminals installed on both sides and forming two or more portions with different cross s...
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JPH0142097B2 |
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JPH01220325A |
PURPOSE: To stabilize a performance characteristic by making the inner surface of a long groove to the surface in which the frictional force of the contact part between a pin and the long groove is lower than that of the contact part bet...
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JPH01220324A |
PURPOSE: To prevent a restrike or the welding of both contacts by providing a cushioning material on the inner wall of a guide groove end part to which a pin abuts when a movable contact is separated from a fixed contact with only a firs...
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JPH01220326A |
PURPOSE: To stabilize an action characteristic by making the frictional force of the engaging part of a pin and a spring larger than the sum of the frictional force between the pin and a long groove and that between the pin and a guide g...
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JPH01206532A |
PURPOSE: To prevent the undesired cable way cutoff caused by the rush current under the transient condition of a load circuit by providing the magnetic suction force of a permanent magnet and two coils generating the magnetic flux resist...
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JPH0139180B2 |
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JPH01502378A |
A current-limiting load cutout includes at least one contact pair (1, 2) with one contact (3, 5) rigidly linked to electrodynamic current limiter (9, 10) that is electrically connected to controllable pulse current supply (17), and at le...
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JPH0136653B2 |
A threshold coupling device for releasing the mobile contacts of circuit breakers when short circuits appear. A rectangular section blade (13) with longitudinal faces (13', 13'') associated with a contact holder (10) is provided with bal...
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JPH0136217B2 |
An apparatus comprising a plurality of circuit breakers with a rigid contact bridge 16 cooperating with fixed contacts 9, 10 carried respectively by conductors 11, 12, generating repellent forces; the median region 21 of the bridge coope...
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JPH0131645B2 |
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JPH0129007B2 |
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JPH0119313Y2 |
A current limiting circuit breaker includes two parallel pivoting contact arms carrying contacts at the ends thereof. The upper arm is double pivoted and is operated by a mechanism between open and closed positions. A magnetic drive slot...
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