Eaton heavy duty fusible safety switch DH323NRK - NEMA 3R

Enclosure and durability: The painted galvanized steel NEMA 3R enclosure provides weather resistance and outdoor suitability, reducing environmental corrosion concerns and maintenance costs. Business impact is lower total cost of ownership and uptime protection in exposed locations; ideal for outdoor panels or wet workshop environments. Application insight: great for outdoor machinery and facility power-distribution boxes where reliability matters more than aesthetics. Fuse configuration and protection: Fusible with neutral and Class H fuse provision deliver rapid fault clearing while maintaining proper neutral reference. Benefit: enhanced personnel and equipment safety, with reduced arc flash exposure and improved electrical reliability during fault events. Suitable for 240 V three‑phase motor circuits up to 7.5 hp standard, 15/15 hp or 30/20 hp depending on configuration and load; supports compliant motor starting. Electrical specifications and wiring: Three-pole, four-wire design with wire capacity #14-1/0 AWG Cu/Al enables flexible conductor options and straightforward field wiring. Impact: simplifies installation, reduces wiring errors, and accelerates commissioning for panels and distributed drives. Physical footprint and accessibility: Product length/depth of 22.5 in, height 9 in, width 12.75 in, and a 20 lb weight deliver a compact footprint that fits tight spaces while remaining serviceable. Application: ideal for retrofit projects or limited-bay electrical rooms where space is at a premium. Compliance, warranty, and support: UL Listed certification and Eaton’s stated warranty provide a clear compliance and service path, reducing risk during audits and procurement reviews. This also supports warranty-based maintenance planning and long-term reliability for plant-wide switchgear inventories.