Siemens 3TH4280-0A80E Industrial Three-Phase Contactor

Siemens 3TH4280-0A80E is an industrial three-pole contactor relay in the Siemens 3TH4 family, configured with eight normally open contacts (8 Form A) for switching three‑phase loads. It uses an AC control coil rated at 230/220 V (50/60 Hz) and is designed for screw-terminal wiring with snap-on mounting on a TH 35 DIN rail, enabling straightforward installation in standard control cabinets. The unit supports a rated load current up to 41 A and complies with EN 50011 safety standards for contactors. This model's rugged construction and mounting compatibility align with Siemens' 3TH4 contactor family, making it suitable for motor control, pumps, and conveyors in industrial automation where reliable isolation and switching of three-phase circuits are required.