Siemens 3RV1121-1HA10 Size S0 Motor Protection Circuit Breaker

The Siemens 3RV1121-1HA10 is a size S0 circuit breaker designed for motor protection with a Class 10 rating. It features an adjustable overload relay function (A-release) from 5.5 to 8 Amps and a short-circuit release of 104 Amps. This model uses screw terminals and offers standard switching capacity. Please note, this is a phased-out product, with the SIRIUS 3RV2 series being its successor, and the preferred successor type is 3RV2111-1HA10.

This circuit breaker is suitable for protecting small to medium-sized motors in applications such as pump controls, fan controls, and conveyor systems. Its overload and short-circuit protection features safeguard motors from electrical faults, ensuring operational reliability and preventing costly damage. It is commonly used in control panels and machinery where precise motor protection is required.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV1121-1HA10. Secure this component for your legacy systems or as a replacement part. We pride ourselves on providing quality surplus automation components with excellent service and competitive pricing to meet your industrial needs.