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Cutler Hammer EH1040 - Molded Case Breaker 40A 277V (1-Pole)

Cutler Hammer
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Cutler Hammer EH1040 is a single-pole molded case circuit breaker from the EH Series, designed to provide long-time and instantaneous (LI) thermal-magnetic protection for 40A branch circuits. It is rated for 277V AC with a 14kA interrupting capacity at 277V, ensuring reliable fault interruption in single-phase systems. The breaker features a bolt-on connection and a molded case construction weighing 2 lb, facilitating secure installation in panelboards. It complies with UL standards for industrial and commercial electrical distribution applications. This unit is suited for protecting lighting, appliance, and general-purpose loads in commercial facilities.

Key Features & Specifications
  • Type: Molded Case
  • Family: EH Series
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 277V
  • Poles: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 14kA@277V
  • Phase: 1
  • Current Rating: 40A
  • Weight: 2 lb
  • Mounting Type: Molded Case
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL Listed