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Cutler Hammer EHD1040L - Molded Case 40A 277V Circuit Breaker

Cutler Hammer
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The Cutler Hammer EHD1040L is a 1-pole molded case circuit breaker from the Series C family, designed for thermal magnetic overcurrent protection in branch circuits. It is rated for 40A at 277VAC, with an AIC rating of 14kA at 480V, and provides LI (Long-Time and Instantaneous) trip functions for coordinated fault clearing. This compact unit measures 3.38 inches in depth, 6 inches in height, and 1.38 inches in width, weighing 1.75 lb, and features a feed-thru connection for straightforward panel installation. It complies with industry standards for single-phase applications, ensuring reliable performance in industrial control panels and distribution systems. Typical applications include motor control centers, lighting panels, and general-purpose load centers requiring dependable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, Series C
  • Voltage Rating: 277V
  • Current Rating: 40A
  • Dimensions: 3.38 in x 6 in x 1.38 in (Length/Depth x Height x Width)
  • Standards: UL, CSA, NEMA
  • Applications: Branch circuit protection, industrial control panels, lighting panels
  • Poles: 1
  • Phase: 1
  • AIC rating: 14kA@480V
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: EHD
  • Trip Type: Thermal Magnetic
  • Breaker Type: Molded Case
  • Circuit Breaker Mounting Style: Plug-in or Bolt-on
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single Phase
  • Installation Type: Panel Mount
  • Weight: 1.75 lb


Product Identification
  • UPC: 786679398364
  • GTIN: 00786679398364