Eaton NSB DH321FRK Industrial Fusible Safety Switch is a 3-pole, 30 A disconnect rated for 240 V AC in 50/60 Hz three-phase systems. This fusible, 3-wire switch is designed to safely isolate equipment in industrial applications and motor circuits that run on 3‑phase power. The DH321FRK model is part of Eaton’s NSB family, supporting 3‑phase, 240 V service and standard three‑phase wiring.
