Siemens 3RV1021-4AA10

The Siemens 3RV1021-4AA10 is a versatile circuit breaker expertly engineered for motor protection in industrial applications. This compact, current-limiting motor starter protector excels in switching and safeguarding 3-phase induction motors up to 45 kW at 400 VAC, accommodating additional loads with rated currents of up to 100 A. It boasts a robust design featuring an on/off rotary handle with lockout capability and visible trip indication, allowing for intuitive operation. An adjustable dial enables precise settings for motor full load amperage (FLA), while the Class 10 overload trip characteristics enhance reliability and safety. With a short-circuit breaking capacity of 65 kA at 480 VAC, this device ensures optimal performance for your industrial needs.