新型開關盒/開關蓋
Siemens SIRIUS 3RA2 Reversing Contactor Assemblies feature rated power up to 55kW and an operational current of up to 110A. The Siemens SIRIUS 3RA2 Reversing Contactor Assemblies are available fully wired and tested with mechanically and electrically interlocked (NC contact interlock) contactors. The basic unit consists of two contactors with the same power, one NC contact (S00) or one NO contact, and one NC contact (S0 to S3).