Industrial AN MJQ-40 Magnetic Contactor

USGI AN MJQ-40 Magnetic Contactor is an industrial electrical switch component designed for use in a military trailer-mounted generator switch box. The AN MJQ-40 designation identifies the specific magnetic contactor model used in generator switch gear for US Government Issue equipment. As a magnetic contactor, the device provides electromagnetic switching to open and close circuits that feed the generator’s main power and any connected loads within the trailer-mounted switch box, enabling controlled operation of mobile power systems in field environments. This part is associated with military trailer-mounted generator control assemblies and is designed for use where reliable electrical switching is required in mobile military applications. It reflects government-issued hardware specifications and is used in trailer-based generator control assemblies.