Motor protection circuit breaker — SIRIUS 3RV2011-0GA15-ZW97
Rated short-circuit breaking capacity reaches 100 kA at 400 V, 500 V, and 690 V, and also at 240 V — that is a high-fault rating for a 45 mm wide device, so it can be used as the main branch protector in a distribution panel without needing a separate upstream fuse for SCCR coordination, provided the available fault current stays under that level.
DIN rail integration and clearances
This is typical for SIRIUS 3RV2 breakers and matches the footprint of the standard 3RV2011 family, meaning a panel originally wired for a 3RV2011-0AA10 or 3RV2011-0BA20 will accept this unit without re-drilling or re-routing the DIN rail. Screw-type terminals on the main current circuit accept solid or stranded conductors: 2 × (0.5 … 1.5 mm²) or 2 × (0.75 … 2.5 mm²). The terminal screws are M3 size.
Ratings and so-what
The auxiliary contacts (for signalling the breaker state) are rated 1 A at 24 V, 0.5 A at 120/125/230 V, and 0.15 A at 60 V. The main circuit short-circuit protection uses gL/gG fuses rated 6 A at 690 V. The maximum switching frequency in AC-3 duty (motor starting) is 15 operations per hour; the same limit applies for AC-3e duty. Power rating at 230 V is 0.1 kW. For motor protection, the thermal setting range must be selected to match the motor full-load current; the breaker's own continuous rating must be at least that value.