What it is
The Siemens 3RV2031-4KA10 is a SIRIUS motor protection circuit breaker with Trip Class 10, sized for direct motor starting duty up to 22 kW. Rated interrupting capacity: 65 kA and 30 kA.
Mounting and clearances
Fastens via screw and snap-on onto 35 mm DIN rail (EN 60715). Any mounting position. Clearance above the device: 50 mm, below: 50 mm, side: 10 mm. Screw-type terminals accept up to 50 mm² (1x) or 2x 35 mm² solid/stranded, with M6 main contact bolts. Ambient operating range -20 to +60 °C; storage and transport span -50 to +80 °C.
Sourcing posture
Lifecycle status is current — no discontinuation risk. Supplied against RFQ; specify quantity and target delivery window.