Siemens low-voltage
Siemens catalog image for this reference; may represent the product family.
MOTOR PROTECTION CIRCUIT BREAKER
3RV2021-4AA10 — Motor protection circuit breaker
SKU 3RV2021-4AA10Circuit breaker size S0 for motor protection, CLASS 10 A-release 10...16 A N-release 208 A screw terminal Standard switching capacity
Active Product
10...16 AThermal release setting range
208 AMagnetic release
10Trip class
PRODUCT DATA
Technical specifications
Source: Siemens product catalog.
Verified September 21, 2026.
| Product reference | 3RV2021-4AA10 |
|---|---|
| Manufacturer description | Circuit breaker size S0 for motor protection, CLASS 10 A-release 10...16 A N-release 208 A screw terminal Standard switching capacity |
| Net weight | 0,3386 Kg |
| Packaging dimensions (L x W x H) | 102,00 x 51,00 x 103,00 mm |
| Thermal release setting range | 10...16 A |
| Magnetic release | 208 A |
| Trip class | 10 |
| Size | S0 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Siemens reference ↗.
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