SIEMENS 3RV1901-1E Auxiliary switch
- Model: Siemens 3RV1901-1E
- Type: Auxiliary switch (transverse mounting)
- Contact Configuration: 1 NO + 1 NC
- Compatible Sizes: S00, S0, S2, S3 circuit breakers
- Status: Phased-out product
- Successor: 3RV2901-1E
- Mounting Type: Transverse on circuit breaker
- Connection Type: Screw terminal
- Net Weight: 0.017 kg
- Package Dimensions: 5 x 105 x 55 mm
- Country of Origin: Czech Republic
- RoHS Compliance: Yes
- WEEE Take-Back Obligation: Yes
- Customs Code: 85365080
- Product Class: C (custom-made, non-returnable)