Cutler Hammer DH421FDK - Fusible Disconnect Switch 30A 240V (200kA AIC NEMA 3R)

Cutler Hammer DH421FDK is a fusible safety disconnect switch designed for industrial power isolation and circuit protection in three-phase electrical systems. This UL Listed disconnect provides reliable 240V operation with a 30A current rating and features a 200kA interrupting capacity at 240V for robust fault protection. The switch features a compact NEMA 3R enclosure measuring 13.25 x 25.5 x 9 inches (WxDxH) and weighs 8 lb, constructed with four poles in a single configuration using Class R fuses. Compliant with UL standards, this disconnect meets rigorous industrial safety requirements for electrical distribution equipment. Typical applications include motor control centers, industrial machinery, and power distribution panels where safe maintenance isolation is critical.

Key Features & Specifications

• Type: Fusible safety disconnect switch, DH Series
• Voltage Rating: 240V AC
• Current Rating: 30A
• Dimensions: 13.25 in x 25.5 in x 9 in (WxDxH)
• Standards: UL Listed
• Applications: Industrial power distribution, motor control centers, machinery isolation
• Switch Type: Disconnect
• Configuration: Single
• Poles: 4
• AIC Rating: 200kA@240V
• Switch Style: Fusible
• NEMA Rating: NEMA 3R
• Phase: 3
• Fuse Class: R
• Weight: 8 lb
• Country of Origin: United States

Product Identification

• UPC: 78211320545
• GTIN: 00782113205458