Siemens 3TH30 40-0AP0 Contactor Relay 4NO 230V AC 10A

Siemens 3TH30 40-0AP0 Auxiliary Contactor Relay

The Siemens 3TH30 40-0AP0 is a premium-quality auxiliary contactor relay designed for industrial control, automation, signaling, and interlocking applications. Equipped with 4 Normally Open (4NO) contacts, a 230V AC operating coil, and a 10A switching capacity, this contactor relay provides dependable performance in demanding industrial environments.

As part of Siemens’ trusted 3TH series, the 3TH30 40-0AP0 is widely used in electrical control panels, motor control centers (MCCs), PLC systems, machine control circuits, and industrial automation systems where reliable auxiliary switching is essential.