Cutler Hammer BQ230240 - 2-Pole 40A Circuit Breaker (10kA AIC, 240V)
Cutler Hammer BQ230240 - 2-Pole 40A Circuit Breaker (10kA AIC, 240V)

Cutler Hammer BQ230240 - 2-Pole 40A Circuit Breaker (10kA AIC, 240V)

Cutler Hammer
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Cutler Hammer BQ230240 is a two-pole molded case circuit breaker designed to provide reliable overcurrent protection for 240V AC branch circuits in residential and light commercial Type BR loadcenters. It features a 40A current rating and a 10kA interrupting capacity at 240V, utilizing a thermal-magnetic trip mechanism for both long-time delay and instantaneous short-circuit protection. The compact unit measures 3.5" x 3.1" x 2.5" (LxHxW), weighs 2.5 lb, and is constructed with lug terminals compatible with copper or aluminum conductors from #14 to #4 AWG. It is fully compliant with UL 489 and CSA standards, is HACR rated for HVAC equipment, and meets Federal Specification W-C375, ensuring suitability for a wide range of feeder and branch circuit applications.

Key Features & Specifications
  • Type: BQ Series, Two-Pole, Thermal-Magnetic Molded Case Circuit Breaker
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Dimensions: 3.5 in (L) x 3.1 in (H) x 2.5 in (W)
  • Standards: UL 489 Listed, CSA Certified, HACR Rated, Meets Federal Spec W-C375
  • Applications: Branch and Feeder Protection in Type BR Loadcenters
  • Switch Type: Circuit Breaker
  • Configuration: Feed-Thru
  • Phase: 1
  • AIC Rating: 10kA @ 240V AC
  • Connection: Lug Terminal
  • Poles: 2
  • Protection: Thermal-Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Breaker Type: BQ
  • Panel Type: Type BR Loadcenters
  • MCM Size: Min. 14 AWG, Max. 4 AWG (Cu/Al)
  • Weight: 2.5 lb
  • Certification: UL 489, CSA


Product Identification
  • UPC: 786676371056
  • GTIN: 00786676371056