Schneider Electric D321N Fusible Safety Disconnect Switch

Schneider Electric's Square D D321N is a 30 A, 240 V fusible safety disconnect switch (Series E) designed for indoor general‑duty service. This three‑pole, four‑wire unit provides a neutral conductor and a NEMA 1 indoor enclosure suitable for surface mounting, making it ideal as a service equipment isolation point or maintenance disconnect in residential and light commercial applications. Rated up to 7.5 HP at 240 V, the D321N is a true fusible disconnect that offers reliable circuit isolation while protecting downstream equipment. As part of Schneider Electric's Square D general‑duty family, it emphasizes durable construction and economical operation for everyday power‑distribution needs.