Siemens 3RV2021-1FA15 Motor Protection Circuit Breaker S0

The Siemens 3RV2021-1FA15 is a Size S0 motor protection circuit breaker with CLASS 10 rating. It features an adjustable A-release (overload) from 3.5 to 5A and a fixed N-release (short-circuit) of 65A. This model is equipped with screw terminals for secure connections and includes transverse auxiliary switches (1 NO + 1 NC) for signaling or control purposes. It offers standard switching capacity.

This circuit breaker is ideal for protecting motors against overload, phase failure, and short circuits in demanding industrial environments. It is commonly used in applications within manufacturing, material processing, building automation, and packaging machinery where reliable motor control and safety are paramount.

Stanlo Automation, a proud veteran-owned business, specializes in providing essential industrial automation components. We offer the Siemens 3RV2021-1FA15 at competitive prices, ensuring you receive genuine, high-quality surplus parts to keep your machinery operational and minimize downtime.