The interrupting ratings are the headline: 121 kA at 240 V AC, 75.6 kA at 415 V, 52.5 kA at 440 V, and 11.9 kA at 690 V. Trip indicator is present on the front face for quick visual fault identification.
Thermal Derating and Continuous Current
Above that, it derates: 76.8 A at 55 °C, 75.2 A at 60 °C, 73.6 A at 65 °C, and 72 A at 70 °C. The rated insulation voltage (Ui) is 800 V, so the breaker is suitable for 480/277 V and 600 V systems, but the interrupting capacity at 690 V drops to 11.9 kA — that's the limit for a 690 V installation. Mechanical endurance is 15,000 operations, which is typical for a distribution-class MCCB; not a switching-duty device.
Physical Fit and Auxiliary Contacts
Footprint: 76.2 mm wide (3-pole), 130 mm tall, 70 mm deep. This gives a Form C signal for breaker position and a separate Form C for trip status, which is enough for a remote indication panel or a PLC digital input. No communication module, no phase-failure detection, no voltage-trigger release.