Siemens 3RV2901-1A Auxiliary Switch Module 1 NO + 1 NC

The auxiliary switch module, also known as auxiliary contact module or additional switch, from Siemens with type number 3RV2901-1A is an electrical auxiliary switch module for contactors and circuit breakers. It is designed for Siemens 3RV2 circuit breakers and features one normally open (NO) and one normally closed (NC) contact with screw terminals for connection. It has the dimensions 9.5 x 90 x 70 cm and weighs 5.055 kg. Auxiliary switch modules serve to signal the switching state of main contacts, thus enabling the implementation of complex control and monitoring tasks in industrial plants. Typical applications are found in automation technology for status indication of circuit breakers in control systems and in switchgears for implementing interlocking functions and remote monitoring of operating states.

Lateral auxiliary switch module for Siemens 3RV2 circuit breakers. Features 1 Normally Open (NO) and 1 Normally Closed (NC) contact. Screw terminals for connection.