Siemens 3RV2021-1AA15 S0 Motor Protection Circuit Breaker with Aux

The Siemens 3RV2021-1AA15 is a Size S0 motor protection circuit breaker featuring Class 10 performance. It offers an adjustable thermal overload trip from 1.1 to 1.6 Amps and a fixed magnetic trip of 21 Amps, utilizing screw terminals. This variant includes integrated transverse auxiliary switches: one normally open (NO) and one normally closed (NC).

This breaker is ideal for applications requiring both motor protection and signaling capabilities. The auxiliary contacts can be wired into control circuits for remote monitoring, interlocking, or status indication in automated systems and industrial machinery.

Stanlo Automation, your trusted source for surplus industrial parts, provides the Siemens 3RV2021-1AA15 with integrated auxiliary contacts. Benefit from our expertise and commitment to delivering high-quality components to keep your operations running efficiently.