Siemens 3RV1011-0KA10 Molded Case Circuit Breaker

Siemens 3RV1011-0KA10 is a three‑pole molded‑case motor‑protection circuit breaker for DIN‑rail mounting, delivering adjustable overload protection in the 0.9 A to 1.25 A range. It is rated for 220–690 VAC and provides about 0.37 kW of motor protection at 400 V, making it suitable for small motors in industrial panels. With a short‑circuit interrupting capacity up to 100 kA at 400 V, this device offers reliable protection during fault events. As part of Siemens’ 3RV1 motor‑protection family, it consolidates overload and short‑circuit protection in a compact MCCB suitable for standard motor control architectures in automation systems.