The A9F04404 is a Schneider Electric Acti9 iC60N miniature circuit breaker (MCB) rated at 4 A with a C-curve trip characteristic, 4 poles, and a 50 kA breaking capacity at 415 V AC. It's a thermal-magnetic breaker for distribution applications, certified to both EN/IEC 60898-1 and EN/IEC 60947-2, so it covers residential and industrial branch-circuit protection in one package.
Snaps onto standard DIN rail (mounting support: DIN rail). Occupies 9 mm pitches — 8 pitches wide, which is 72 mm width. Depth is 78.5 mm, height 91 mm. Tightening torque 2 N.m.
Key ratings for the spec sheet
C-curve magnetic trip at 8 x In +/- 20 % (so 32 A nominal, 25.6 to 38.4 A range) — suits moderate inrush loads like small motors or lighting banks. Electrical durability 10,000 cycles, mechanical 20,000. Suitable for isolation (both standards). Overvoltage category IV, insulation voltage 500 V AC. Earth-leakage protection via separate block (not integral).
