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Cutler-Hammer EHB3040 - 3-Pole Molded Case Breaker 40A 480V

Cutler Hammer
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The Cutler-Hammer EHB3040 is a three-pole molded case circuit breaker providing reliable overcurrent protection for three-phase electrical systems. It features a 40A current rating and a 480V AC voltage rating, housed in a compact, bolt-on configuration with a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection functions. This UL-listed breaker is constructed with durable materials, weighs 11 lb, and meets industry standards for safety and performance in demanding environments. It is designed for integration into industrial panels and switchgear, offering an interrupting capacity of 14kA at 480V AC for effective fault protection in commercial and manufacturing applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Trip Type: Thermal Magnetic
  • Connection: Bolt-On
  • Certification: UL Listed
  • Family: AB DE-ION
  • Breaker Type: EHB
  • Weight: 11 lb