Siemens 3RV2041-4JA10 Motor Protection Circuit Breaker

The Siemens 3RV2041-4JA10 is a 3-pole motor protection circuit breaker in the SIRIUS 3RV2 series that provides overload and short-circuit protection for electric motors.

It offers adjustable current protection in the 45–63 A range, a Class 10 trip, and a rated operational voltage up to 690 V AC with an instantaneous breaking capacity of about 819 A.

The device uses screw terminals, supports DIN rail or panel mounting, has a frame size S3, and includes thermal overload and magnetic protection for reliable motor protection across -20°C to +60°C and insulation voltage up to 1000 V.

Common replacements include Siemens 3RV2041-4KA10 and 3RV2031-4JA10 (and Schneider Electric GV3P63), making it suitable for retrofit or replacement in motor control centers, conveyors, pumps, and other industrial equipment.