Siemens 3RV1321-4BC10 Size S0 Starter Combination Circuit Breaker

The Siemens 3RV1321-4BC10 is a size S0 circuit breaker designed for starter combinations. It features a rated current of 20 Amps and a short-circuit release of 260 Amps. This model uses screw terminals and offers standard switching capacity. It is a phased-out product, with the SIRIUS 3RV2 series being its successor, and the preferred replacement part number is 3RV2321-4BC10.

This circuit breaker is essential for providing short-circuit protection in motor starter assemblies, safeguarding motors and control systems from severe electrical faults. It is commonly used in industrial settings with combination starters for motor control applications in manufacturing, processing, and material handling equipment.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV1321-4BC10. We help you maintain your industrial automation systems with reliable surplus components. Rely on Stanlo for competitive pricing, quality parts, and efficient service.