Siemens 3RT1015-1BB42 Three-Phase Industrial Contactor

Siemens 3RT1015-1BB42 is a three-pole power contactor (S00 size) with a 24 V DC coil, designed for AC-3 duty on three-phase loads and three normally open main contacts (no NC contacts) with screw-terminal connections. It is rated for AC-3 operation at 400 V up to 7 A (approximately 3 kW), weighs about 0.3 kg, and features IP20 protection, a -25°C to +60°C operating range, and installation up to 2,000 m altitude; its mechanical life is listed at 30,000,000 cycles, with 10,000,000 cycles for typical auxiliary blocks and 5,000,000 cycles for electronics-compatible auxiliaries. This model is discontinued in Siemens' catalog, with the recommended successor 3RT2015-1BB42.