It snaps onto a 35 mm DIN rail per DIN EN 60715 and fits a standard 45 mm wide slot in the panel — a tight fit for a 100 kA rated device at 400 V. Rated breaking capacity hits 100 kA at 240 V, 400 V, 500 V, and 690 V AC, so it clears high-fault transformer secondaries without cascading upstream. The Trip Class 10 thermal curve matches transformer inrush — it holds through magnetizing current without nuisance tripping, then opens on sustained overload.
Mounting and spacing
Main terminals accept up to 2x 4 mm² stranded or 2x 2.5 mm² solid. At 97 mm deep by 45 mm wide by 97 mm tall, it occupies roughly the same footprint as a motor-protective breaker but is tuned for transformer duty.
Rated operational voltage spans 20 to 690 V, covering most low-voltage transformer primaries and secondaries. At 230 V it switches 0.2 kW loads; at 575/600 V it is rated 0.5 hp. No ground-fault detection on this variant; that is a separate SIRIUS family option. Maximum mechanical switching frequency is 15 operations per hour in AC-3 and AC-3e duty — not a high-cycle device.