SIEMENS 3RV2031-4UA10 Motor Protection Circuit Breaker

32A–40A | 18.5kW | S2 | SIRIUS Series

The SIEMENS 3RV2031-4UA10 is a high-capacity motor protection circuit breaker built for demanding industrial applications. With a wide current range and 18.5kW motor capacity, it offers superior protection against overload, short-circuit, and phase loss — all within a reliable S2 frame.

Key Features

• Adjustable current range: 32A to 40A

• Handles motor loads up to 18.5kW (AC-3)

• Sturdy S2 frame for higher power systems

• Integrated protection: overload, short-circuit, and phase failure

• Fast trip response (Trip Class 10)

• Rated operating voltage: up to 690V AC

• Long mechanical life: up to 100,000 operations

• Supports DIN rail and screw mounting

• Standards compliant: IEC/EN 60947-4-1