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Westinghouse QNBL2040 - Molded Case 40A 2-Pole Breaker

Westinghouse
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Westinghouse QNBL2040 is a molded case circuit breaker designed for reliable overcurrent protection in residential and light commercial electrical systems. This 40A, 2-pole unit operates at 240V and provides LI (Long-Time and Instantaneous) protection functions through its thermal magnetic trip mechanism. The breaker features a bolt-on connection for secure panel mounting and weighs 3 lb, part of the Quicklag family for single-phase applications. It is rated with an AIC of 10kA at 240V, meeting industry standards for safety and performance. Typical applications include branch circuit protection in load centers and panelboards for lighting, appliance, and general power distribution.

Key Features & Specifications
  • Type: Molded Case
  • Family: Quicklag
  • Weight: 3 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 1
  • Current Rating: 40A