The Siemens SIRIUS 3RV1021-0GA15-ZW96 is a motor protection circuit breaker rated at 0.63 A continuous current with a Trip Class 10 thermal-magnetic trip curve, sized for small motor loads up to 0.18 kW at 400 V AC. It offers a 100 kA breaking capacity across the full AC voltage range from 240 V to 690 V, meaning it can safely interrupt fault currents up to that level without upstream fusing — a key advantage for high-fault panels where selectivity and SCCR headroom matter. The 45 mm wide housing mounts via screw and snap-on to a 35 mm standard mounting rail per DIN EN 50022, fitting into a standard control-panel DIN rail footprint.
Sourcing & Lifecycle
For a BOM freeze or PCN watch, the RoHS compliance date is 01.05.2012, and the part carries phase-failure detection, ground fault detection is not included.
Termination & Wiring
Main circuit and auxiliary/control circuit connections use screw-type terminals, accepting solid conductors 2x (0.5... 1.5 mm²) and 2x (0.75... 2.5 mm²), and stranded conductors 2x (1... 2.5 mm²) and 2x (2.5... 6 mm²). AWG equivalents for main contacts are 2x (14... 10). Auxiliary switch is transverse design and field-addable.
Environmental & Mounting
Operating temperature range is -20... +60 °C; storage and transport range is -50... +80 °C. Shock resistance is 25g / 11 ms. Mounting position is any. IP20 protection on the front, suited for enclosure installation where the operator does not contact live parts. Dimensions: 45 mm wide, 97 mm high, 96 mm deep.