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HDU222 - Disconnect Switch 600V 100A NEMA 4X

United Fuses
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HDU222 is a heavy-duty industrial disconnect switch designed for reliable circuit isolation and safety lockout applications. It is rated for 600V AC and 100A continuous current, with a compact NEMA 4X enclosure constructed from corrosion-resistant stainless steel. This switch complies with UL 98 and CSA C22.2 standards for enclosed switches, and is commonly used in manufacturing facilities, wastewater treatment plants, and commercial HVAC systems for motor disconnection and maintenance isolation.

Key Features & Specifications
  • Type: Heavy-duty disconnect switch, non-fusible, manual operation
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Dimensions: 12.5" H x 8.0" W x 6.0" D
  • Standards: UL 98, CSA C22.2 No. 4
  • Applications: Motor disconnection, maintenance isolation, industrial machinery
  • Switch Type: Rotary handle, padlockable
  • Configuration: 3-pole, 3-wire
  • Coil Voltage Maximum: N/A (manual switch)
  • Temp Rating: -20°C to 60°C
  • Shipping Dimensions: 14" x 10" x 8"
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 100A
  • AIC rating: 10kA at 600V AC
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload and short-circuit (via upstream fuse)
  • Functions: On/Off, lockout/tagout
  • Frame Size: NEMA 4X
  • Trip Type: N/A (non-automatic)
  • Panel Type: Surface mount
  • Breaker Type: N/A (disconnect switch)
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Stainless steel 304
  • Panel Style: Hinged cover with latch
  • Bus Type: Copper
  • Fuse Class: N/A (non-fusible)
  • Insulation Temperature: 105°C
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Surface mount
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: 50 HP at 600V
  • Aux Contacts: 1 N.O. + 1 N.C.
  • CPT: N/A
  • Full Load Amps: 100A
  • Dist Voltage: 600V
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 100A
  • Full Load Amp Minimum: 0A
  • Enclosure: NEMA 4X stainless steel
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: AWG #14 to #2
  • Amperage Maximum: 100A
  • Amperage Minimum: 0A
  • Nema Rating: 4X
  • Switch Style: Rotary handle
  • Wire Size: AWG #14 to #2
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Screw clamp
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-wire delta or wye
  • Standards: UL 98, CSA C22.2
  • Compatible Frames: N/A
  • Installation Type: Surface mount
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 100A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 60°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A
  • Weight: 5.19 lb


Product Identification
  • UPC: Not available
  • GTIN: Not available