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Cutler-Hammer BQ240240 - 2-Pole 40A Circuit Breaker (10kA AIC)

Cutler Hammer
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The Cutler-Hammer BQ240240 is a two-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for 240V AC branch circuits. It features a 40A continuous current rating and a 10kA interrupting capacity at 240V, housed within a compact 3" x 3" x 2" (LxHxW) frame with a thermal-magnetic trip mechanism for both long-time delay and instantaneous protection. This feed-thru style breaker with lug terminals is constructed for compatibility with Type BR loadcenters and accepts 14 to 4 AWG aluminum or copper conductors. It is fully compliant with major industry standards, including UL 489 and CSA certification, and is HACR rated for heating, air conditioning, and refrigeration equipment. This breaker is typically applied in residential and light commercial electrical distribution panels for appliance and dedicated equipment circuits.

Key Features & Specifications
  • Type: Two-pole, molded case, thermal-magnetic circuit breaker with LI (Long-time and Instantaneous) trip functions
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Dimensions: 3 in (Length/Depth) x 3 in (Height) x 2 in (Width)
  • Standards: UL Listed (UL 489), CSA Certified, HACR Rated, meets Federal Spec W-C375
  • Applications: Branch circuit protection in Type BR loadcenters for appliances and dedicated equipment
  • 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)
  • Frame Size: BQ Series
  • Panel Type: Type BR Loadcenters
  • Breaker Type: Molded Case
  • Wire Size: 14 To 4 AWG (Aluminum/Copper)
  • Certification: UL 489, CSA, Federal Specifications Classification W-C375
  • Weight: 0.7 lb
  • Country of Origin: United States


Product Identification
  • UPC: 786676371155
  • GTIN: 00786676371155