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Square D Q1240 - Molded Case Circuit Breaker 40A 240V 2-Pole

Square D
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Square D Q1240 is a 2-pole molded case circuit breaker from the Q1 Series, designed to provide overcurrent protection for electrical systems through its thermal-magnetic trip mechanism. It operates at a voltage rating of 240V with a current rating of 40A, offering LI (Long-Time and Instantaneous) protection functions. This plug-in breaker weighs 3 lb and features a compact construction suitable for panelboard installation. It complies with industry standards for residential and light commercial applications, with an AIC rating of 10kA at 240V. Typical uses include branch circuit protection in single-phase load centers and distribution panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 240V
  • Current Rating: 40A
  • Poles: 2
  • Phase: 1
  • Connection: Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 10kA@240V
  • Functions: LI - Long-Time and Instantaneous
  • Family: Q1 Series
  • Weight: 3 lb
  • Item Subcategory: Molded Case