JQ2-63X series terminal dual power automatic switch is composed of two three-pole or four-pole miniature circuit breakers and their accessories (auxiliary, alarm contacts), mechanical interlocking transmission mechanism, controller, etc. Its characteristics are: small size, simple structure; convenient operation, long service life, 3P. 4P can be provided; switch switching drive is driven by a single motor, stable, no noise, small impact; with mechanical interlocking and electrical interlocking , Switching is reliable, manual and automatic switching are possible; the rated current of common and standby circuit breakers can be different; the product is equipped with terminals for user wiring to reflect the status of the circuit breaker (open or closed); there are various indications on the product panel.