SIEMENS 3RV2031-4KA10 Motor Protection Circuit Breaker

62A–73A | 37kW | S2 | SIRIUS Series

The SIEMENS 3RV2031-4KA10 is a robust motor protection circuit breaker designed for motors up to 37kW. It provides reliable overload, short-circuit, and phase failure protection within a durable S2 frame, suitable for heavy industrial motor control applications.

Key Features

• Adjustable current range: 62A to 73A

• Motor power capacity: up to 37kW (AC-3)

• Durable S2 frame designed for high-power motors

• Integrated protection against overload, short circuit, and phase failure

• Fast tripping response with Trip Class 10

• Rated operating voltage: up to 690V AC

• Mechanical lifespan: up to 100,000 switching cycles

• Compatible with DIN rail and screw mounting

• Complies with IEC/EN 60947-4-1 standards