Main contactor Siemens SIRIUS 3RT2018-2BB41
The compact 3RT2018-2BB41 main contactor from Siemens can be used up to an output of 7.5 kW for AC-3/400 V The main contactor from the brand SIRIUS operates with a control supply voltage of 24 V DC and has a normally open contact as an auxiliary contact, as well as a practical spring-loaded connection. Due to its S00 size, the main contactor 3RT2018-2BB41 is suitable for all load feeders with the 3RV2011 and 3RV2311 circuit breakers for motors and starters. The main contactor is used in automation and control systems, especially for controlling motors and systems and when switching on electric heaters.