Breaking capacity hits 242 kA at 240 V, tapering to 187 kA at 415 V / 440 V, 121 kA at 500 V, and 5 kA at 690 V — so it's sized for high-fault industrial mains, not just branch circuits.
Thermal Performance and Panel Fit
The breaker holds full 100 A rating from 40 °C up through 50 °C, then derates linearly to 85 A at 70 °C — no headroom loss in a warm enclosure unless you're pushing past 50 °C ambient. Maximum power loss is 10 W, so heat buildup inside a tightly packed panel stays manageable.
Trip Unit and Auxiliary Configuration
A voltage trigger is present for remote tripping capability, and a mechanical trip indicator gives local fault visibility.