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Square D EH24040 - Molded Case Circuit Breaker 40A 480V

Square D
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The Square D EH24040 is a 2-pole molded case circuit breaker from the EH Series, designed for thermal magnetic protection in industrial power distribution systems. It provides LI (Long Time and Instantaneous) protection functions, rated for 480V AC and 40A, with a 14kA interrupting capacity at 277V. This plug-in breaker weighs 1 lb, accepts wire sizes from 14 to 2 AWG (aluminum/copper), and operates within a temperature range of -13 to 158 °F (-25 to 70 °C). It is a single-phase unit that complies with industry standards for reliable overcurrent protection. Typical applications include motor control centers, panelboards, and switchboards in commercial and industrial settings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EH Series
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 2
  • Connection: Plug-In
  • Protection: Thermal Magnetic (LI - Long Time and Instantaneous)
  • AIC Rating: 14kA@277V
  • Phase: 1
  • Wire Size: 14 to 2 AWG Aluminum/Copper
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Weight: 1 lb
  • Functions: LI - Long Time and Instantaneous
  • Item Subcategory: Molded Case
  • Family: EH Series
  • Type: EH


Product Identification
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