Allen Bradley 140G-K3F4-D40 400 Amp K-Frame Molded Case Circuit Breaker
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Manufacturer Rockwell / Allen Bradley
Mfg Catalog # 140G-K3F4-D40
North Coast Part # 997504


  • Provides greater customization in trip units
  • Offers a wide range of operating mechanisms to fit a variety of panel configurations
  • Approved for global application: UL, CSA, CCC, and IEC performance interrupting/breaking capacity
  • Offers a wide range of accessories for global availability


  • Bulletin Number: 140G - Molded Case Circuit Breaker
  • Frame/Rating: K Frame (400 A)
  • Interrupting Rating, 50/60 Hz, 240V (kA): 100
  • Interrupting Rating, 50/60 Hz, 480V (kA): 35
  • Interrupting Rating, 50/60 Hz, 600V (kA): 25
  • Breaking Capacity, 50/60 Hz, 220V (kA): 85
  • Breaking Capacity, 50/60 Hz, 415V (kA): 50
  • Breaking Capacity, 50/60 Hz, 440V (kA): 40
  • Breaking Capacity, 50/60 Hz, 690V (kA): 25
  • Interrupting Rating, 50/60 Hz, 500V DC (kA): 35
  • Interrupting Rating, 50/60 Hz, 600V DC (kA): 25

Circuit Breaker Data

  • Device Type: 140G - Molded Case Circuit Breaker
  • Number of Poles: 4 Poles
  • Frame Size: K frame
  • Rated Current(A): 400 A
  • Protection: T/M - Thermal Magnetic


  • Assembly: Factory Assembled



UPC 88717232848
GTiN 00887172328480
Type Molded Case Ckt-Bkr
Family Brand Name Allen Bradley
Frame K, 400 A
Current 400 A
Trip Type Adjustable Thermal/Adjustable Magnetic
Number of Poles 4 Pole
Interrupt Rating 35 kA at 480 V
Trip Range 280 - 400 A Thermal, 2000 - 4000 A Magnetic
Temperature Rating 104 F
Blade Dimensions 101.2 mm W x 70 mm D x 130 mm H
Environmental Conditions -40 to 176 F Temperature

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