Schneider Electric's Square D QMB3240 Saflex fusible panelboard switch is a 400 A, 240 V, three‑pole panelboard disconnect designed for use in QMB Saflex distribution systems. This panel‑mount unit is fusible, accepts Class R fuses, and carries a 200 kA short‑circuit current rating at 240 V. It features a NEMA 1 indoor enclosure and is specifically intended for use with QMB Saflex panel boards and switchgear distribution systems to provide a reliable three‑phase disconnect for distribution feeders.
