Siemens Circuit Breaker 3RV2021-4DA20 Size S0
Siemens Size S0 Circuit Breaker for motor protection.
The Siemens Circuit Breaker, part number 3RV2021-4DA20, is a Size S0 circuit breaker designed for motor protection. It features a CLASS 10 rating for inverse-time overload protection and an adjustable 'A'-release setting ranging from 18 to 25 Amperes. The 'N'-release (short-circuit release) is set at 325 Amperes. This breaker utilizes spring-type terminals for secure connections and offers standard switching capacity.
This circuit breaker is essential for safeguarding electric motors against overcurrents and short circuits, preventing damage and downtime. It is commonly used in industrial control panels, motor control centers, and machinery where reliable motor protection is critical, such as in manufacturing, HVAC systems, and material handling.
Stanlo Automation, a veteran-owned surplus parts distributor, offers this Siemens Circuit Breaker. We provide reliable access to essential industrial components, helping you maintain your equipment and operations. Choose Stanlo for your surplus Siemens circuit breaker needs and ensure the protection of your valuable motor assets.
| Type | Circuit Breaker |
| Size | S0 |
| Application | Motor Protection |
| Class | 10 |
| 'A'-release | 18-25 A (adjustable) |
| 'N'-release | 325 A |
| Terminals | Spring-type |
| Switching Capacity | Standard |