The 3RV1041-4JA10 is a compact motor protection circuit breaker from Siemens' 3RV10 series, rated at 16 A for 7.5 kW motors (400 V AC, 50 Hz). Designed with a 10A tripping class for motor loads, it supports 380–480 V AC 3-phase or 230 V AC 1-phase supplies, offering 16 kA breaking capacity at 400 V AC.