Its 76 kA breaking capacity at 240 V AC handles high-fault utility feeds common in North American 240/120 V split-phase panels; at 415 V AC the rating drops to 9 kA, which still clears most industrial fault levels in 400 V three-phase systems. The TM210 thermal-magnetic release provides LI (long-time and instantaneous) protection — the thermal element tracks overloads, the magnetic element trips on short-circuit. The adjustable instantaneous pickup maxes out at 800 A, per the datasheet.
Thermal derating curve — continuous current across ambient temperature
Above that, the continuous current derates linearly: 78 A at 55 °C, 77 A at 60 °C, 75 A at 65 °C, and 74 A at 70 °C. Maximum power loss is 6 W.
Panel integration — footprint and environment
The breaker occupies a 25.4 mm wide (1 in) DIN-rail slot, 130 mm tall and 70 mm deep. No auxiliary contacts are fitted as standard (zero CO contacts), and no motor drive or communication module is included on this variant.