Siemens 3RV1901-1D Auxiliary Contact/Switch for SIRIUS 3RV1

The Siemens SIRIUS 3RV1 Circuit Breakers also known as MSP's (Motor Starter Protectors) have three main contact elements. In order to achieve maximum flexibility, auxiliary switches can be supplied separately. These components can be fitted as required on the switches without using tools.

This 1 NO + 1 NC Transverse Auxiliary Contact Block 3RV1901-1D (order code 55-7178), can be inserted transversely on the front. The overall width of the Circuit Breaker/ MSP remains unchanged.

• Specification: Auxiliary switch, front
• Contacts: 1NO +1 NC
• Type: Transverse Auxillary Contact Block
• Manufacturer's part: Siemens 3RV1901-1D for SIRIUS 3RV1