The Schneider Electric M9F52104 is a one-pole, 4 A thermomagnetic miniature circuit breaker from the Multi9 family (C60BPR), designed for 277 VAC circuits and C-curve protection. As a 1P device with a 9 mm wide DIN-rail module, it provides thermal-magnetic trip action with a rated breaking capacity of up to 14 kA (UL489) and 10 kA (IEC/EN 60947-2). Catalogued as M9F52104, it is part of Schneider Electric's 9 Series and offers optional auxiliary remote indication and tripping. The C-curve trip profile makes it suitable for general protection with moderate inrush currents.
