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Challenger BQ2C040 - Molded Case Circuit Breaker 40A 2P (10kA AIC)

Challenger
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Challenger BQ2C040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in commercial and industrial electrical systems. It features a 40A current rating and 240V voltage rating for single-phase applications, with a compact plug-in connection and lug terminals for secure installation in compatible Siemens panelboards. The breaker is constructed with a thermal-magnetic trip mechanism providing both long-time and instantaneous (LI) protection functions, housed in a durable molded case weighing 3 lb. It meets rigorous industry standards including UL listing, CSA certification, and HACR rating, with an interrupting capacity of 10kA at 240V AC. Typical applications include feeder and branch circuit protection in HVAC equipment, industrial control panels, and commercial distribution boards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, BQ Series, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Phase: 1
  • Poles: 2
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Terminal Connection: Lug
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Panel Type: Siemens Panelboards
  • Standards & Certification: UL Listed, CSA, HACR Rated
  • Weight: 3 lb


Product Identification
  • Manufacturer: Challenger
  • Model: BQ2C040
  • Family: BQ Series