Motor protection circuit breaker — 100 kA SCCR, Trip Class 10
The Siemens SIRIUS 3RV1011-0DA10-ZW98 is a motor protection circuit breaker designed for motor protection, with a rated breaking capacity of 100 kA at 400 V AC — enough to clear high-fault currents in industrial distribution without cascading upstream breakers. Trip Class 10 means it will trip within 10 seconds at 7.2× the thermal setting, matching the typical startup profile of standard induction motors — pumps, fans, compressors — without nuisance tripping on inrush. Phase failure detection is built in, so a lost phase on the line side will cause the breaker to open rather than let the motor single-phase and burn.
Mounting and panel fit
Snaps onto 35 mm DIN rail per DIN EN 60715, with screw terminals for the main circuit accepting 2×(0.5…1.5 mm²) solid or stranded, or 2×(0.75…2.5 mm²). At 45 mm wide and 75 mm deep, it fits a standard 45 mm slot on the rail — no extra side clearance needed beyond the 9 mm to adjacent devices. Mounting position is any, so vertical or horizontal rail orientation in the panel is fine.
