Siemens SIRIUS 3RV1021-1BA10 Motor Protection Circuit Breaker
Siemens SIRIUS motor protection circuit breaker, size S0, phased-out product.
The Siemens 3RV1021-1BA10 is a Size S0 motor protection circuit breaker from the SIRIUS line. It is designed for reliable motor overload and short-circuit protection, adhering to Class 10 tripping characteristics. The adjustable current release (A-release) ranges from 1.4 to 2 A, with a short-circuit release set at 26 A. This unit features standard screw terminals for connection and offers standard switching capacity.
This circuit breaker is intended for protecting electric motors against damage due to overload, phase failure, or short circuits. It is commonly used in industrial control panels and machinery where motor protection is critical for preventing downtime and equipment failure. Please note that this is a phased-out product.
Stanlo Automation, a veteran-owned surplus parts distributor, may have the Siemens 3RV1021-1BA10 available. As this is a discontinued item, we recommend checking our stock for availability. The preferred successor is the SIRIUS 3RV2011-1BA10.
| Manufacturer | Siemens |
| Part Number | 3RV1021-1BA10 |
| Series | SIRIUS |
| Size | S0 |
| Type | Motor Protection Circuit Breaker |
| Class | 10 |
| A-release | 1.4...2 A |
| Short-circuit release | 26 A |
| Terminals | Screw terminal |
| Switching Capacity | Standard |
| Status | Phased-out |