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SD-2QO - Heavy-Duty Disconnect Switch 600V 200A (NEMA 4X)

United Fuses
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The SD-2QO is a heavy-duty industrial disconnect switch designed for reliable circuit isolation and safety lockout in high-power applications. It is rated for 600V AC and 200A continuous current, housed in a NEMA 4X stainless steel enclosure for corrosion resistance in harsh environments. This switch complies with UL 98 and CSA C22.2 standards, ensuring robust performance in demanding industrial settings. Typical applications include motor control centers, panelboards, and machinery requiring a visible break disconnect.

Key Features & Specifications
  • Type: Heavy-duty disconnect switch, non-fusible, 3-pole
  • Voltage Rating: 600V AC
  • Current Rating: 200A
  • Dimensions: 12.5" H x 8.5" W x 6.5" D
  • Standards: UL 98, CSA C22.2
  • Applications: Motor control centers, panelboards, industrial machinery
  • Switch Type: Non-fusible disconnect
  • Configuration: 3-pole, 3-wire
  • Coil Voltage Maximum: N/A
  • Temp Rating: -20°C to 60°C
  • Shipping Dimensions: 14" x 10" x 8"
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 200A
  • AIC rating: 10kA at 600V
  • Connection: Box lugs
  • Poles: 3
  • Protection: Overcurrent protection via external fuse
  • Functions: Disconnect, lockout
  • Frame Size: N/A
  • Trip Type: N/A
  • Panel Type: NEMA 4X
  • Breaker Type: N/A
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: 250 MCM
  • Metal Type: Stainless steel
  • Panel Style: Surface mount
  • Bus Type: Copper
  • Fuse Class: N/A
  • 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
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: 100 HP at 600V
  • Aux Contacts: 1 N.O. + 1 N.C.
  • CPT: N/A
  • Full Load Amps: 200A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 200A
  • Full Load Amp Minimum: 0A
  • Enclosure: NEMA 4X stainless steel
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: Copper/Aluminum
  • Amperage Maximum: 200A
  • Amperage Minimum: 0A
  • Nema Rating: 4X
  • Switch Style: Heavy-duty
  • Wire Size: #14 AWG to 250 MCM
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Box lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • 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: 200A
  • 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
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