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Square D FA26040 - Molded Case Circuit Breaker 40A 2-Pole 600V

Square D
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Square D FA26040 is a 2-pole, 40 amp molded case circuit breaker from the I-Line family, designed to provide long-time and instantaneous (LI) protection for electrical circuits in commercial and industrial power distribution systems. Rated for 600V and 1-phase operation, this thermal magnetic breaker delivers an interrupting capacity of 18kA at 480V, ensuring robust fault current interruption. The unit features an F Frame construction with an I-Line style plug-in connection for secure mounting in busway systems, and weighs 6 lb. It complies with industry standards for molded case circuit breakers, making it suitable for a wide range of electrical installations requiring reliable overload and short circuit protection. Typical applications include use in I-Line panelboards and switchboards for manufacturing facilities, commercial buildings, and other industrial environments.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: FA
  • Weight: 6 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 18kA@480V
  • Phase: 1
  • Current Rating: 40A
  • Part Number: FA26040
  • Amperage: 40A
  • Mounting Type: I-Line
  • Frame: FA