Miniature circuit-breaker, Acti9 iK60N, 3P, 20 A, curve B
The Schneider Electric A9K23320 is a 3-pole miniature circuit-breaker from the Acti9 iK60N series, rated at 20 A (In) at 30 °C with a B-curve magnetic tripping threshold of 3 to 5 times In. It is designed for AC distribution networks at 50/60 Hz and carries a breaking capacity of 6000 A Icn at 400 V AC, compliant with EN/IEC 60898-1.
The 78.5 mm depth and 85 mm height fit standard distribution board enclosures. Tunnel-type terminals accept 1 to 25 mm² rigid or 1 to 16 mm² flexible conductors; tightening torque is 2 N.m. IP20 finger-safe protection per IEC 60529.
Key ratings and compliance
Rated insulation voltage (Ui) is 440 V AC. The device includes a padlocking option for lockout/tagout procedures.
