Schneider Electric QMJ363H Fusible Panelboard Switch

Schneider Electric QMJ363H is a 100 A, 600 VAC fusible panelboard switch designed for Square D QMB fusible panelboard systems, delivering a three-pole, single-throw (3PST) disconnect that accepts Class J fuses. This 3PST switch unit provides a 200 kA short‑circuit rating at 480 VAC and is intended for indoor, NEMA 1 panelboard installations; it mounts in QMB Series E1/E2 panel boards. The unit is 6 inches tall and supports up to 10 HP at 250 VDC for DC control circuits in three‑phase systems up to 600 VAC. As part of the QMJ fusible panelboards family, the QMJ363H serves as a dedicated fusible disconnect option within Schneider Electric’s Square D lineup for precise, code‑compliant power isolation in panelboard distributions.