Siemens SIRIUS 3RV1021-1KA15 Motor Protection Circuit Breaker - 9-12.5A
Siemens 3RV1021-1KA15 SIRIUS Motor Protection Circuit Breaker (9-12.5A).
The Siemens 3RV1021-1KA15 is a Size S0 motor protection circuit breaker from the SIRIUS line, offering Class 10 thermal overload protection with an adjustable range of 9-12.5 A and a 163 A short-circuit release. It features screw terminals and standard switching capacity, with a transverse auxiliary switch (1 NO + 1 NC).
This circuit breaker is designed to protect electric motors against overloads and short circuits. It is commonly used in motor control centers, pump stations, and conveyor systems within the manufacturing, processing, and building automation industries.
Stanlo Automation, a veteran-owned surplus parts distributor, offers access to critical components like this Siemens circuit breaker. We provide reliable solutions for your automation needs, ensuring you receive quality parts with dependable service.
| Manufacturer | Siemens |
| Part Number | 3RV1021-1KA15 |
| Series | SIRIUS 3RV10 |
| Size | S0 |
| Protection | Motor Protection |
| Class | 10 |
| Thermal Setting | 9-12.5 A |
| Short-Circuit Release | 163 A |
| Terminals | Screw |
| Auxiliary Contacts | 1 NO + 1 NC |
| Status | Phased-out |