Siemens 3RV1042-4HA10 S3 Motor Protection Circuit Breaker

The Siemens 3RV1042-4HA10 is a Size S3 circuit breaker with integrated overload relay function, providing motor protection up to 100 kA. It features an adjustable A-release range of 36-50 A and a short-circuit release of 650 A. Designed with screw terminals and increased switching capacity, it operates under Class 10 standards.

This versatile circuit breaker is ideal for protecting motors in heavy-duty industrial environments, including those found in manufacturing, mining, and material processing. Its high breaking capacity ensures safety even in fault conditions, while the overload protection prevents motor damage from sustained overcurrents.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV1042-4HA10. We provide a reliable source for essential industrial automation components, ensuring you can find the parts you need to keep your systems running, backed by our commitment to quality and service.