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Cutler Hammer CHQ240 - 2-Pole 40A Circuit Breaker (10kA AIC)

Cutler Hammer
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Cutler Hammer CHQ240 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 40A current rating and a 240V AC voltage rating, housed within a compact, plug-in configuration measuring 2.5 in (D) x 3 in (H) x 1.5 in (W) and weighing 0.6 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time delay and instantaneous protection, is certified to UL 489 standards, and offers a 10kA interrupting capacity at 240V for robust fault protection. Its typical applications include protecting feeder and branch circuits in industrial and commercial panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Dimensions: 2.5 in (Depth) x 3 in (Height) x 1.5 in (Width)
  • Standards: UL 489
  • Applications: Industrial & Commercial Panelboards, Feeder and Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • Amperage: 40A
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI) Trip
  • Wire Size: 2x #14 AWG to #10 AWG, Cu/Al; 1x #14 AWG to #8 AWG
  • Certification: UL 489
  • Weight: 0.6 lb


Product Identification
  • UPC: 782113010946
  • GTIN: 00782113010946