At 55 °C it still carries 76.8 A, at 70 °C it holds 72 A, so the thermal headroom is generous for a 80 A frame. Breaking capacity is 75.6 kA at 240 V, 52.5 kA at 415 V, 32 kA at 440 V, and 7.5 kA at 690 V. The 4 HQ auxiliary switches let you remote-indicate trip status or interlock with a contactor. No trip indicator on the front face; the HQ aux switches are the feedback path.
Width at 76.2 mm is three pole pitches for a 3-pole MCCB.
