Schneider Electric's Square D D323NRB is a 100 A fusible general‑duty safety switch (3‑pole, 4‑wire) rated for 240 VAC with a 30 HP rating on 3‑phase motors. It comes in a NEMA 3R enclosure with bolt‑on hub provisions and includes a neutral connection, enabling safe outdoor installation and easy integration into motor circuits. The unit accepts H-, K-, or R‑class cartridge fuses for protection. Designed for residential and light commercial applications, this disconnect provides a robust, code‑compliant means to isolate power for maintenance and service.
