Schneider Electric's Square D D323NRB is a 100 A fusible general‑duty safety disconnect rated for 240 VAC, configured as 3‑pole, 4‑wire (3PH4W) with a neutral terminal. It arrives in a NEMA 3R outdoor enclosure for weatherproof installation and includes a bolt‑on hub provision for flexible mounting. This disconnect is designed to isolate 3‑phase circuits and is suited for residential and light commercial applications where durability and economy are prioritized. Typical uses include feeders and motors in outdoor service equipment.
