The Schneider Electric A9KF71406BQ is a 4-pole miniature circuit-breaker from the Acti9 K60 series, rated 6 A with a C-curve trip characteristic. It delivers 10 kA breaking capacity (Icn) at 415 V AC, 50/60 Hz, certified to EN/IEC 60898-1.
Snap-on DIN rail mount, 72 mm wide (8 x 9 mm pitches). IP20 finger-safe terminals accept rigid cable up to 25 mm² or flexible up to 16 mm². Tightening torque 2 N·m top or bottom; strip length 14 mm.
Thermal-magnetic trip unit, no earth-leakage protection. Electrical and mechanical durability both rated at 20,000 cycles. Relative humidity 95 % at 55 °C.