Its interrupting capacity hits 121 kA at 240 V, 75.6 kA at 415 V, and 52.5 kA at 440 V — enough headroom for high-fault utility feeds or transformer secondaries. Line protection version, no undervoltage release, no ground-fault module, no communication stack — this is a straight feeder or main breaker for a distribution panel.
At 55 °C it drops to 76.8 A, at 60 °C to 75.2 A, at 65 °C to 73.6 A, and at 70 °C to 72 A. The TM240 release is adjustable for long-time delay (tr max 1 s), so coordination with downstream feeders is possible without swapping the trip unit.