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Square D 9999DU12 - Non-Fusible Disconnect 600V 200A 3-Pole

Square D
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Square D 9999DU12 is a heavy-duty industrial disconnect switch designed for reliable circuit isolation and protection in high-power applications. This switch is rated for 600 volts AC and 200 amperes, providing robust performance for demanding electrical systems. Constructed with a durable metal enclosure and a non-fusible design, it measures approximately 10 inches in height, 6 inches in width, and 5 inches in depth, weighing 5.19 pounds. It complies with UL 98 and NEMA standards, ensuring safe operation in industrial environments. Typical applications include motor control centers, distribution panels, and machinery isolation in manufacturing facilities.

Key Features & Specifications
  • Type: Non-fusible disconnect switch, metal enclosure
  • Voltage Rating: 600 V AC
  • Current Rating: 200 A
  • Dimensions: 10 in H x 6 in W x 5 in D
  • Standards: UL 98, NEMA
  • Applications: Motor control centers, distribution panels, machinery isolation
  • Switch Type: Non-fusible
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600 V AC
  • Amperage: 200 A
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: 3
  • Protection: Overcurrent (via external fuses)
  • Functions: Disconnect, isolation
  • Frame Size: Not specified
  • Trip Type: Not applicable
  • Panel Type: Not specified
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Steel
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Surface
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 200 A
  • Amperage Minimum: Not specified
  • Nema Rating: 1
  • Switch Style: Heavy-duty
  • Wire Size: Not specified
  • Certification: UL
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Not specified
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 98, NEMA
  • Compatible Frames: Not specified
  • Installation Type: Surface mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 200 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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