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Cutler Hammer 4HD221N - Fusible Disconnect Switch 240V 30A (3-Pole NEMA 4/4X)

Cutler Hammer
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Cutler Hammer 4HD221N is a fusible safety disconnect switch designed for industrial power distribution systems requiring reliable circuit protection. The unit features a 240V AC voltage rating and 30A current capacity in a 3-phase configuration, housed in a rugged NEMA 4/4X-rated enclosure for dust-tight and water-resistant operation. Its compact 22 lb design incorporates Class H fuses and three poles in a single-configuration layout, compatible with SGLA frames for seamless integration. The switch meets stringent industrial safety standards for electrical disconnects, making it suitable for motor control centers, HVAC systems, and heavy machinery applications where overload protection is critical.

Key Features & Specifications
  • Type: Fusible disconnect switch with Class H fuse protection
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Configuration: Single
  • Poles: 3
  • Phase: 3
  • NEMA Rating: 4/4X (dust-tight, water-resistant)
  • Compatible Frames: SGLA
  • Switch Style: Fusible
  • Weight: 22 lb
  • Standards: Industrial safety compliance for disconnects
  • Applications: Motor control centers, HVAC systems, industrial machinery