Description
Description
The Siemens 3RV2031-4RA10 is a high-performance motor protection circuit breaker from the SIRIUS 3RV2 series, engineered for safeguarding motors operating between 70 and 80 amps. Designed with a Class 10 thermal trip and a breaking capacity of up to 65 kA at 400 V AC, it delivers fast, reliable protection against overloads and short circuits in demanding industrial environments. This S2 frame-size breaker supports operating voltages up to 690 V AC and is rated for motor powers up to 75 kW at 690 V.
Features
- Adjustable Current Range: Protects motors operating between 70 and 80 A
- Trip Class: Class 10 thermal trip for fast overload response
- High Breaking Capacity:
- 65 kA at 240/400 V AC
- 8 kA at 500 V AC
- 4 kA at 690 V AC
- Rated Operating Voltage: Up to 690 V AC
- Motor Power Ratings:
- 22 kW at 230 V
- 37 kW at 400 V
- 55 kW at 500 V
- 75 kW at 690 V
- Mounting Style: Front-mounted with screw terminals
- Frame Size: S2, compact for high-capacity applications
- Phase Failure Protection: Built-in safeguard against phase loss
- Mechanical & Electrical Endurance: Rated for 20,000 operations
- Ambient Temperature Range: Operates reliably from -20°C to +60°C
- Compliance: Meets IEC 60947-4-1 standards
- Weight: 1.18 kg
