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Square D H221NDS - Safety Disconnect Switch 30A 240VAC

Square D
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Square D H221NDS is a heavy-duty safety disconnect switch designed for providing a visible break in three-phase industrial power circuits. It is rated for 240V AC or 250V DC operation with a 30A current capacity and features a robust 304 stainless steel enclosure for durability in harsh environments. The switch is UL certified and complies with RoHS standards, with NEMA 4, 4X, and 5 ratings ensuring protection against water, dust, and corrosion. Its surface-mount design, two-pole single-throw configuration, and compatibility with wire sizes from AWG 14-6 copper or AWG 12-6 aluminum make it suitable for motor control and machinery isolation in manufacturing and processing facilities.

Key Features & Specifications
  • Type: H-frame, heavy-duty safety disconnect switch with visible blade operation
  • Voltage Rating: 240V AC, 250V DC
  • Current Rating: 30A
  • Dimensions: 14.93 in H x 7.22 in W x 5.11 in D (379.22 mm x 183.39 mm x 129.79 mm)
  • Weight: 13.51 lb
  • Standards: RoHS compliant
  • Applications: Industrial motor control, machinery isolation, three-phase power distribution
  • Switch Type: Disconnect
  • Configuration: Single Throw
  • Poles: 2
  • Enclosure: 304 Stainless Steel
  • Certification: UL
  • Nema Rating: 4, 4X, 5
  • Phase: 3
  • Circuit Breaker Mounting Style: Surface
  • Wire: 3
  • Wire Size: AWG 12 to AWG 6 Aluminum, AWG 14 to AWG 6 Copper


Product Identification
  • GTIN: 7.85901E+11