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

Cutler Hammer
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Cutler Hammer EH1040 is a single-pole molded case circuit breaker designed for thermal magnetic overcurrent protection. It is rated for 277V AC, 40A continuous current, and provides a 14kA interrupting capacity at 277V with LI (Long-Time and Instantaneous) trip functions. This bolt-on unit weighs 2 lb and features a compact molded case construction for panelboard installation. It complies with UL and NEMA standards for industrial electrical distribution systems. Typical applications include branch circuit protection in commercial and light industrial power panels.

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


Product Identification
  • UPC: Not specified
  • GTIN: Not specified