Siemens 3RV1021-0AA15 S0 Motor Protection Circuit Breaker w/ Aux
Siemens 3RV1021-0AA15 S0 Motor Protection Circuit Breaker
The Siemens 3RV1021-0AA15 is a size S0 motor protection circuit breaker featuring a Class 10 rating. It offers an adjustable A-release range of 0.11 A to 0.16 A and a short-circuit release of 2.1 A. This model includes a transverse auxiliary switch with 1 NO and 1 NC contact. It uses screw terminals and provides standard switching capacity. This is a phased-out product, with the preferred successor being the SIRIUS 3RV2011-0AA15.
This breaker was used for protecting small motors in various industrial applications, such as small fans, pumps, and control systems where precise low-current protection was needed. The auxiliary switch enabled integration into control and alarm circuits.
Stanlo Automation, your veteran-owned supplier of industrial automation surplus, offers the Siemens 3RV1021-0AA15. While a phased-out product, we can help you source these legacy components.
| Size | S0 |
| Class | 10 |
| A-release | 0.11...0.16 A |
| N-release | 2.1 A |
| Aux Switch | 1 NO + 1 NC Transverse |
| Terminals | Screw |
| Switching Capacity | Standard |
| Status | Phased-out |