Siemens 3RV1021-4CA15 Motor Protection Circuit Breaker w/ Aux Switch

The Siemens 3RV1021-4CA15 is a Size S0 motor protection circuit breaker designed for higher current applications. It offers a Class 10 rating, an adjustable A-release range of 17 to 22 A, and a substantial short-circuit release of 286 A. This model includes screw terminals and a transverse auxiliary switch providing 1 NO and 1 NC contact, useful for signaling and control logic.

This robust circuit breaker is suited for protecting larger motors in heavy industrial environments, such as manufacturing plants, material handling systems, and process industries. Its higher current rating and integrated auxiliary contacts make it versatile for complex control setups.

Stanlo Automation, a veteran-owned surplus distributor, is your reliable source for obsolete and difficult-to-find industrial automation parts. Secure your Siemens 3RV1021-4CA15 and maintain your operational efficiency with components from our trusted inventory.