Rated 80 A at 40 °C and 230/400 V AC, it provides earth leakage protection with a short-circuit current rating of 10 kA. The Type A characteristic means it catches both pure AC faults and pulsating DC faults up to 1 kHz — common in appliances with rectifiers, variable-speed drives, or switched-mode power supplies.
Mounts on DIN rail (REG) in any position — no orientation restrictions for derating. At 40 °C ambient it carries the full 80 A; at 45 °C it's 77.57 A, at 50 °C it's 74.59 A, at 55 °C it's 70.22 A, at 60 °C it's 64.47 A, at 65 °C it's 57.35 A, and at 70 °C it's 48.84 A. That derating curve is what you reference when the panel internal temperature runs hot — common in crowded enclosures. The 70 mm depth and 72 mm width (4 width units) fit standard 4-module DIN-rail slots. Finger and back-of-hand safe per the protection class — no exposed live parts when wired, which simplifies panel access during commissioning.