SIRIUS 3RV2 motor starter protectors
Siemens catalog image for this reference; may represent the product family.
MOTOR PROTECTION CIRCUIT BREAKER
3RV2021-4CA10 — Motor protection circuit breaker
SKU 3RV2021-4CA10Circuit breaker size S0 for motor protection, CLASS 10 A-release 16...22 A N-release 286 A screw terminal Standard switching capacity
Active Product
16...22 AThermal release setting range
286 AMagnetic release
10Trip class
PRODUCT DATA
Technical specifications
Source: Siemens product catalog.
Verified September 21, 2026.
| Product reference | 3RV2021-4CA10 |
|---|---|
| Manufacturer description | Circuit breaker size S0 for motor protection, CLASS 10 A-release 16...22 A N-release 286 A screw terminal Standard switching capacity |
| Product Family | SIRIUS 3RV2 motor starter protectors |
| Net weight | 0,3356 Kg |
| Packaging dimensions (L x W x H) | 102,00 x 49,00 x 102,00 mm |
| Country of origin | Germany |
| EAN | 4011209712539 |
| UPC | 662643924374 |
| Thermal release setting range | 16...22 A |
| Magnetic release | 286 A |
| Trip class | 10 |
| Size | S0 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Siemens reference ↗.
Browse circuit breakers →Browse motor protection circuit breakers →