Square D D221N Single Throw Fusible Disconnect Switch

Square D D221N is a fusible general-duty safety switch (disconnect) designed to isolate a 240V circuit in indoor residential or light-commercial installations. This two-pole, single-throw unit is rated for 30 A and wired as a 3-wire, with neutral configuration, compatible with 1-phase systems at 50/60 Hz, and is part of Schneider Electric’s Square D E3 Series. The enclosure is a NEMA 1 indoor type, constructed of steel and galvanized, intended for surface mounting with lug terminals, and it measures about 6.75 in wide by 3.63 in deep by 9.25 in high. It provides fusible protection for branch circuits or equipment and carries a short-circuit rating up to 100 kA.