Siemens 3TF4422-0A Contactor

Siemens 3TF4422-0A Contactor is a three-pole AC motor starter engineered for reliable control of mid-to-large industrial motors. The load side is rated for 460 V operation with a 25 HP (horsepower) motor capacity, making it suitable for equipment such as conveyors, pumps, fans, and other automated machinery powered by three-phase supply. The coil for this variant is 132 V, which determines the control voltage required to pull in and hold the contacts in typically energized conditions. This model provides solid switching performance for inductive loads and is designed for integration into standard Siemens control circuits and motor control panels. As part of Siemens' legacy and current automation lineup, the 3TF4422-0A supports dependable operation within established industrial electrical architectures, with availability through Siemens distribution networks for replacement parts and service. For technicians and engineers, this contactor offers a straightforward, space-efficient solution when a 3-pole, high-voltage contactor is needed to safely switch 460 V three-phase motors, enabling remote start/stop control and compatibility with common control logic.