Ratings and coordination
This breaker coordinates with backup fuses: gG 63 A at 400 V, gG 50 A at 500 V, and gG 40 A at 690 V. The backup fuse limits let-through energy during a high-level fault, keeping the breaker within its interrupting capacity. Motor horsepower ratings span 1 hp at 110/120 V up to 10 hp at 460/480 V and 575/600 V. At 230 V it's rated 2 hp; at 200/208 V, 3 hp; at 220/230 V, 5 hp. The 480 V and 600 V ratings both land at 16 A.
The S0 frame measures 97 mm deep, 45 mm wide, and 97 mm high — a compact footprint that fits standard 45 mm-wide DIN-rail slots. Main circuit terminals accept 2x (1 to 2.5 mm²) or 2x (2.5 to 10 mm²) solid or stranded copper, terminated with M4 screws. The screwdriver shaft should be 5 to 6 mm diameter with a Pozidriv size 2 tip.