The frame is fixed at 756 A maximum and minimum (non-adjustable frame rating), so the breaker is sized for the 63 A trip unit it ships with. Interrupting capacity is the standout: 242 kA at 240 V, 187 kA at 415/440 V, 121 kA at 500 V, and 3.7 kA at 690 V. That 242 kA at 240 V covers high-fault utility feeds and transformer secondaries in North American panels. The steep drop to 3.7 kA at 690 V means this is not the breaker for 690 V high-fault applications — the 690 V rating is for low-fault downstream positions only.
Footprint: 105 mm wide, 181 mm tall, 86 mm deep — standard 3-pole MCCB width for a 63 A frame. The 86 mm depth (3.39 in) means it clears most shallow gland-plate enclosures without a spacer. The auxiliary switches share the same wiring space — plan for 4 additional control wires (2 for aux, 2 for alarm) plus the shunt trip coil wires.