The interrupting ratings climb steeply at lower voltages — 187 kA at 240 V — and stay strong at 415/440 V at 121 kA, then taper to 75.6 kA at 500 V and 3.7 kA at 690 V.
The 100 A continuous rating at 70 °C is the number that matters for a warm panel — many MCCBs start derating above 40 °C, but this one holds 100 A all the way to 70 °C, so it's a solid pick for a crowded switchboard or a hot environment like a steel mill or foundry. For a 480 V distribution panel, the 121 kA at 440 V still gives serious headroom for a 100 A feeder. The unit includes a communication function, so it can talk to a higher-level system for monitoring or remote trip — useful for a BMS or SCADA integration where you want status without a separate auxiliary contact block.
Dimensions are 86 mm deep, 105 mm wide, 181 mm tall — that's a standard 3-pole MCCB footprint for a 100 A frame, so it drops into most panelboards designed for SENTRON or similar form-factor breakers. The undervoltage release is built in (not a field-add kit), so if the control voltage drops, the breaker trips — good for safety circuits where a loss of control power should kill the load. If you need GF protection, look at the 3VA2... with ground-fault option.