Siemens 3RT2025-1BB40 is a 3-pole power contactor with a 24 V DC coil designed for AC-3e/AC-3 motor-control duty. It carries a 17 A load rating in AC-3 applications and can switch up to 7.5 kW at 400 V, making it suitable for medium-size motors in manufacturing equipment. This model includes 1 normally open and 1 normally closed auxiliary contact for signaling or interlocks, with screw-terminal connections in the compact S0 enclosure. Ideal for panel builders and integrators, the 3RT2025-1BB40 combines reliable DC-coil actuation with integrated auxiliary contacts to support basic control and feedback in automation circuits.
