Siemens Power contactor, 24 V DC, 3-pole, size S3

The compact Siemens power contactor is typically used to control motors, plants and to turn on electrical heating systems. The 3RT2046-1KB40 is ideal for the performance range up to 45 kW at AC-3/400 V. The SIRIUS power contactor uses a control supply voltage of 24 V AC and features one NC and one contact as auxiliary contact as well as a useful screw-type connection. In size S3, the power contactor is a great solution for all load feeders with the circuit breakers 3RV2011 and 3RV2311.