Cutler Hammer C400GK32A - 400A 3-Pole Circuit Breaker
Cutler Hammer C400GK32A - 400A 3-Pole Circuit Breaker

Cutler Hammer C400GK32A - 400A 3-Pole Circuit Breaker

Cutler Hammer
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Cutler Hammer C400GK32A is a heavy-duty industrial circuit breaker designed for overcurrent protection in power distribution systems. This unit is rated for 600V AC and 400A continuous current, housed in a compact 5.9 in x 3.8 in x 4.1 in (Length/Depth x Height x Width) enclosure weighing 0.95 lb. Constructed with a robust metal frame and thermal-magnetic trip mechanism, it features a 3-pole configuration with a 65kAIC at 240V AC and a 35kAIC at 480V AC. The breaker complies with UL 489 and CSA C22.2 standards, ensuring reliable performance in demanding environments. Typical applications include motor control centers, panelboards, and switchboards in manufacturing plants, commercial buildings, and utility substations.

Key Features & Specifications
  • Type: Industrial molded case circuit breaker, thermal-magnetic trip, metal frame
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 5.9 in x 3.8 in x 4.1 in (Length/Depth x Height x Width)
  • Standards: UL 489, CSA C22.2
  • Applications: Motor control centers, panelboards, switchboards, manufacturing plants, commercial buildings, utility substations
  • Switch Type: Thermal-magnetic
  • Configuration: 3-pole
  • Coil Voltage Maximum: 600V AC
  • Temp Rating: 40°C
  • Shipping Dimensions: 5.9 in x 3.8 in x 4.1 in
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 400A
  • AIC rating: 65kAIC at 240V AC, 35kAIC at 480V AC
  • Connection: Line and load terminals
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Overload and short-circuit protection
  • Frame Size: 400A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: 24V AC
  • Control Voltage Maximum: 600V AC
  • MCM Size: 500 MCM
  • Metal Type: Steel
  • Panel Style: Standard
  • Bus Type: Copper
  • 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: Copper
  • Horse Power: 200 HP at 480V AC
  • 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: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: 24V AC
  • Wire: Copper or aluminum
  • 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: Cutler Hammer CH
  • 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: 782113538860
  • GTIN: 00782113538860