Double-power-source automatic change-over switch convenient for wiring

The invention discloses a double-power-source automatic change-over switch convenient for wiring. The double-power-source automatic change-over switch comprises a baseplate, a main circuit breaker, a standby circuit breaker and an operating mechanism, the main circuit breaker, the standby circuit breaker and the operating mechanism are arranged on the baseplate, the operating mechanism is used for switching the main circuit breaker and the standby circuit breaker, wire outgoing ends of the main circuit breaker and those of the standby circuit breaker are parallelly connected to output terminals through connecting terminals respectively, and each connecting terminal is composed of a first connector and a second connector connected with the first connector through a flexible lead. The double-power-source automatic change-over switch is simple in structure, convenient to use, convenient and quick to mount and operate, safe, reliable and convenient for wiring.