JPH01172247U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a sectional side view showing one embodiment of this invention, Fig. 2 is a cutoff waveform diagram to explain the situation when current is interrupted, and Fig. 3 is a sectional side view showing another embodiment of this invention. , FIG. 4 is a cross-sectional side view showing a conventional circuit breaker. In the figure, 4, 25 are movable contacts, 6, 22,
23 is a fixed contact, 11 is a first external terminal, 10
A is the upper arc traveling plate, 18 is the control switch room,
26 is a movable element holder, 29 is a movable core, 30 is a fixed core, 31 is a coil, 32 is a terminal, 33 is a lower arc traveling plate, 34 is a semiconductor switching element, and 37 and 38 are control terminals. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] a pair of contacts housed in a molded case and capable of interrupting current in a load circuit; arranged in the molded case and connected between one of the contacts and a first external terminal; a first arc running plate disposed within the molded case, connected between the other of the contacts and a second external terminal, and capable of opening and closing the load circuit by remote control; a second arc running plate connected to the second external terminal and extending to the vicinity of the first arc running plate via the vicinity of the other contactor; and the first and second arc running plates. A remote-controlled circuit breaker with an arc extinguishing chamber located between two arc running plates.