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HKDB3400FT39W - Molded Case Circuit Breaker 400A 600V 3-Pole

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The HKDB3400FT39W is a high-performance industrial circuit breaker designed for reliable overcurrent protection in demanding electrical systems. It operates at a voltage rating of 600V AC and a current rating of 400A, ensuring robust handling of heavy loads. The unit measures 4.1 inches in depth, 5.5 inches in height, and 5.5 inches in width, with a weight of 11 lb, featuring a compact yet durable construction for panel mounting. It complies with UL 489 and CSA C22.2 standards, ensuring safety and performance in industrial environments. Typical applications include motor control centers, distribution panels, and heavy machinery protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, manual operation
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width)
  • Standards: UL 489, CSA C22.2
  • Applications: Motor control centers, distribution panels, heavy machinery
  • Switch Type: Toggle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 40°C
  • Shipping Dimensions: 4.1 in x 5.5 in x 5.5 in
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 400A
  • AIC rating: 65kA at 240V AC
  • Connection: Line and load terminals
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: 400A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Industrial panel
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel enclosure
  • Panel Style: Flush mount
  • Bus Type: Copper bus
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 200 HP at 480V
  • Aux Contacts: 1 NO/NC
  • CPT: Not included
  • Full Load Amps: 400A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 400A
  • Full Load Amp Minimum: 0A
  • Enclosure: Type 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper
  • Amperage Maximum: 400A
  • Amperage Minimum: 0A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 500 MCM
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: 400A frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 400A
  • Current Rating: 400A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78668589302
  • GTIN: 00786685893020