Main contactor Siemens SIRIUS 3RT2027-1BB40
The compact power contactor 3RT2027-1BB40 from Siemens is offered for the performance range up to 15 kW at AC-3/400 V. The SIRIUS power contactor 3RT2027-1BB40 from Siemens uses a control supply voltage of 24 V DC and features one NO and one NC contact as auxiliary contacts as well as a practical screw-type connection. In size S0, the power contactor 3RT2027-1BB40 is suitable for all load feeders with the circuit breakers 3RV2011 and 3RV2311. The power contactor 3RT2027-1BB40 is used in automation and control technology, particularly to control motors and plants and switch on electrical heating systems.