Square D D222NRB NEMA 3R Fusible Disconnect Switch

Square D D222NRB F1 Series is a two‑pole, 60 A fusible general‑duty safety disconnect switch rated for 240 VAC, designed for outdoor or harsh locations and housed in a NEMA 3R enclosure. It accepts Class R fuses and delivers a 100 kA short‑circuit rating at 240 V, making it suitable for protecting motors and other heavy loads in outdoor installations. The enclosure is iceproof and rainproof, supporting surface mounting with lug terminal connections, and the unit is built of galvanized steel for weather resistance. Overall dimensions are 14.88 in high by 6.63 in wide by 4.87 in deep, reflecting its compact, outdoor‑rated form factor within the D222NRB family of Square D general‑duty disconnects. This model, part of the Square D D‑Series F1 family, is commonly used as an outdoor safety disconnect at facilities requiring a reliable, held‑in‑place main disconnect for 240 V circuits up to 60 A, with a typical load rating around 10 hp at 240 V.