Square D D326NTR Fusible Safety Switch Disconnect

Square D D326NTR is a general‑duty fusible safety switch disconnect rated for 600 A at 240 V AC, configured as a 3‑pole, 4‑wire device with neutral. Housed in a NEMA 3R enclosure suitable for indoor or outdoor installations, this E1 Series safety switch provides a three‑pole, single‑throw disconnect for feeders and equipment, with a 75 hp motor rating typical for 240 V systems. The enclosure dimensions are about 25.13 in wide, 8.88 in deep, and 49.13 in high. This fusible disconnect is designed to isolate power safely while protecting downstream electrical circuitry in residential and light commercial applications.