3RV2011-0KA10 | Siemens motor circuit breaker, CLASS 10 A-release 0.9 – 1.25A N-release, screw terminal Standard switching capacity

Siemens SIRIUS 3RV2011‑0KA10 combines compact design (S00 frame) with powerful protection for small motors and feeder circuits. Ideal for automation panels, industrial starters, and pump controls, this motor protection circuit breaker (MPCB) includes:

Adjustable thermal overload: 0.9–1.25 A (Class 10)
Magnetic short‑circuit release: 16 A instantaneous
Robust 100 kA breaking capacity at up to 690 V AC
3‑pole protection with screw terminals and DIN‑rail mounting
Phase-failure detection and IP20 finger-safe front
Reliable endurance: >100,000 mechanical / electrical cycles
Conforms to IEC, UL/CSA, ATEX safety standards
Low power loss (~7 W) and a compact 45 mm width

This MPCB ensures precise and dependable protection for motors up to 1.25 A, safeguarding equipment from overloads, short circuits, and phase issues.