Siemens 3RV23211BC20 Motor Protection Circuit Breaker
3RV23211BC20 MPN Prefix Read
The 3RV2321 base number identifies this as a Siemens SIRIUS S0 three-pole magnetic motor protection breaker. The trailing BC20 segment codes the frame size (B), control circuit type (C), and 2 A tripping current—placing this unit at the lower end of the S0 current range.
Key Specifications
| Parameter | Value |
|---|---|
| Current Rating | 2 A |
| Poles | 3 |
| Breaker Type | Magnetic |
| Actuator | Rotary |
| Mounting | DIN Rail |
| Illumination | None |
| Approvals | CCC, CE, CSA, EAC, UL, VDE |
| Package | Box |
| Status | Active |
Alternate Comparison
Readers must qualify the following alternates independently against their application requirements.
| MPN | Current Rating | Similarity |
|---|---|---|
| 3RV23211BC20 | 2 A | primary |
| 3RV23211BC10 | 2 A | 1.0 |
| 3RV23211AC20 | 1.6 A | 1.0 |
| 3RV23211CC20 | 2.5 A | 1.0 |
| 3RV23211DC20 | 3.2 A | 1.0 |
| 3RV23211EC20 | 4 A | 1.0 |
| 3RV23211FC20 | 5 A | 1.0 |
| 3RV23211HC20 | 8 A | 1.0 |
| 3RV23211KC20 | 12.5 A | 1.0 |
- 3RV23211BC10: Same 2 A rating; C10 suffix indicates a different control-terminal configuration while sharing the rotary-actuator, three-pole, DIN-rail form factor.
- 3RV23211KC20: 12.5 A maximum in this family series; retains three-pole, magnetic, rotary DIN-rail construction but requires larger conductor sizing.