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Cutler Hammer EH3040L - 40A 3-Pole Molded Case Breaker 480V

Cutler Hammer
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Cutler Hammer EH3040L is a 3-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in industrial power distribution systems. It is rated for 40A continuous current at 480V AC with a 14kA interrupting capacity at 480V, providing LI (Long-Time and Instantaneous) protection functions for three-phase applications. The unit weighs 7 lb and features a feed-thru connection configuration within the EH Series frame, constructed for reliable operation in panelboards and switchboards. This breaker complies with applicable UL and NEMA standards for molded case circuit breakers. Typical applications include branch circuit protection in commercial and industrial electrical panels, motor control centers, and distribution equipment requiring 40A, 480V, 3-phase protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA@480V
  • Connection: Feed-Thru
  • Protection: LI - Long-Time and Instantaneous
  • Family: EH Series
  • Weight: 7 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame: EH
  • Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Installation Type: Panelboard/Switchboard
  • Breaker Frame: EH
  • Current Rating: 40A
  • Operating Temperature Maximum Celsius: 40°C


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