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Allen-Bradley 140U-H3C3-C40 - Molded Case 40A 3-Pole (600V AC)

Allen-Bradley
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Allen-Bradley 140U-H3C3-C40 is a molded case circuit breaker from the Bulletin 140U family, designed for three-phase power distribution and equipment protection in industrial environments. It provides LI (Long-Time and Instantaneous) protection functions with a thermal magnetic trip mechanism, rated at 600V AC and 40A. This 3-pole, H-frame breaker features a bolt-on mounting configuration and weighs 4 lb, with an interrupting capacity of 35kA at 480V. It complies with industry standards for reliable overcurrent protection in demanding electrical systems. Typical applications include motor control centers, distribution panels, and industrial machinery requiring robust circuit protection.

Key Features & Specifications
  • Type: 140U
  • Item Subcategory: Molded Case
  • Family: Bulletin 140U
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 40A
  • Frame Size: H-Frame
  • Trip Unit: Fixed Thermal/Fixed Magnetic