The Schneider Electric A9K23225 is a 2-pole miniature circuit breaker from the Acti9 iK60N series, rated 25 A at 30 °C with a B tripping curve (3...5 x In magnetic trip). It provides 6 kA breaking capacity at 400 V AC, 50/60 Hz, certified to EN/IEC 60898-1 for distribution board use.
Clip-on mounting to DIN rail, 36 mm width (4 x 9 mm pitches), 85 mm height, 78.5 mm depth. The 2-pole form factor fits standard distribution board slots. Tunnel terminals accept 1...25 mm² rigid or 1...16 mm² flexible cable, with a 2 N·m tightening torque and 14 mm strip length. IP20 finger-safe protection for the enclosure.
The 25 A rating at 30 °C is the continuous current; derate for higher ambient temperatures per the thermal curve.
