Motor protection breaker, Trip Class 10, 55 mm wide
The Siemens 3RV2031-4BA10 is a SIRIUS series motor protection circuit breaker (MPCB) with Trip Class 10 rating. The 55 mm width is the panel-space footprint — typical for this current range.
Breaking capacity and fault clearing
At 400 V it clears 30 kA, at 500 V it handles 6 kA, and at 690 V it manages 3 kA. Ground fault detection is not included.
Terminals accept solid or stranded copper: 2× (1–25 mm²) or 1× (1–35 mm²), with M6 screw-type terminals for the main current circuit.
