Siem en Sirius 3RT1025-1B is a three-pole power contactor with a 24 V DC coil, designed for motor control in industrial panels. It provides AC-3 switching up to 17 A at 400 V (about 7.5 kW or roughly 10 HP) and carries a 24 V DC coil, with a main current rating of up to 35 A under DC-1 conditions. The unit uses screw-terminal connections and is sized for the S0 footprint, making it suitable for compact control cabinets. Typical applications include starting and stopping 3-phase motors in automation and manufacturing lines that require reliable, UL/IEC-rated motor control hardware.
