The Schneider Electric A9N2P20BGN is an Acti9 xC60 miniature circuit-breaker rated 20 A, B curve, 2 poles. It clips onto a 35 mm DIN rail and breaks up to 10 kA at 240 V AC or 415 V AC per IS/IEC 60898-1.
At 415 V AC it still holds 10 kA, which covers three-phase distribution panels where line-to-line faults are the worst case. The thermal-magnetic trip unit handles overloads thermally and short circuits magnetically — no electronics to drift or fail in a hot panel. Overvoltage category IV confirms it can be installed at the service entrance, not just downstream sub-panels.
Deployment context
Clip-on mounting on 35 mm DIN rail means it snaps into any standard distribution board or industrial enclosure. At 36 mm wide (4 x 9 mm pitches) for 2 poles, it fits neatly in a crowded row. The toggle gives local ON/OFF indication with a visible contact position indicator — no guessing whether the breaker is open.
