Schneider Electric's Square D D223N is a 100 A, 240 VAC fusible safety disconnect switch intended for indoor general‑duty use. This 2‑pole, 3‑wire device includes a neutral and is housed in a Type 1 (NEMA 1) enclosure, making it suitable for indoor residential and light commercial applications where a dedicated disconnect is required for 240 VAC circuits. As a fusible disconnect, it provides overcurrent protection through replaceable fuses and is designed for straightforward hand operation to isolate power for service or maintenance on motor or equipment loads.
