Siemens 3RT1015-1BB41 Contactor

Siemens 3RT1015-1BB41 Sirius power contactor is a 3-pole, non-reversing switch with a 24 V DC coil in the compact S00 frame. It provides three normally open main contacts (3NO) for AC-3 duty, rated up to 7 A and up to 3 kW at 400 V, with screw-terminal connections for reliable panel wiring. The unit carries IP20 protection on both the front and terminal surfaces, and Siemens specifications list a typical mechanical life of up to 30,000,000 switching cycles with installation altitude up to 2,000 m. Intended for starting and stopping three-phase motors and other controlled loads in control panels, this device is part of the Sirius 3RT family and has a documented successor model, 3RT2015-1BB41.