1、2 Circuit Breakers: Dual power transfer switch is composed of two unit miniature circuit breaker and accessories (auxiliary contact, alarm contact), the rated current of general and standby circuit breakers can be different. 2、Manual or Automatic Control: Power transfer switch has mechanical interlocking and electrical interlocking functions, with high reliability, can be powered manually or automatically. 3、Single Motor Drive: The change over switch is driven by a single motor, which is stable, noiseless, small in impact, compact in size, simple in structure, convenient in operation. 4、Easy Observation: Double power automatic transfer switch is equipped with user terminal blocks, which can reflect the circuit breaker status (on or off), and there are various indications on the panel. 5、Wide Purpose: The transfer switch has excellent technology, isolated anti interference, highly stable, widely used in families, shopping malls, factories, laboratories, farms and other occasion.