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Square D FC34040G - Molded Case 40A 480V 3-Pole

Square D
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Square D FC34040G is a 40A, 480V, 3-pole I-Line molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It utilizes a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions and includes a ground fault shunt trip for enhanced protection. The breaker features an I-Line style plug-in connection for Class 650/651 panelboards and switchboards, weighs 6 lb, and offers a high interrupting capacity of 65kA at 480V AC. It is UL Listed and CSA Approved for safety compliance. This unit is suitable for environments requiring robust circuit protection in three-phase applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Family: I-Line
  • Current Rating: 40A
  • Voltage Rating: 480V AC
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 65kA@480V AC
  • Additional Info: complete with ground fault shunt trip
  • Weight: 6 lb
  • Terminal Wire Size: 14–3 AWG Copper / 12–1 AWG Aluminum
  • UL Listed
  • CSA Approved