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Square D FCJ34020 - Molded Case 20A 480V 3-Pole

Square D
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Square D FCJ34020 is a 3-pole, 20A molded case circuit breaker from the FCJ series, designed for thermal magnetic overcurrent protection in industrial and commercial power distribution systems. It operates at 480V with a 65kA interrupting rating at 480V, providing robust fault current interruption for 3-phase applications. The unit features a bolt-on connection for secure mounting within an F Frame enclosure and weighs 7 lb, incorporating LI (Long-Time and Instantaneous) trip functions for precise coordination. It complies with UL and CSA standards, ensuring reliable performance in demanding electrical environments. This breaker is typically applied in panelboards, switchboards, and motor control centers requiring compact, high-interrupting capacity protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: FCJ34020
  • Type: Molded Case Circuit Breaker
  • Series: FCJ
  • Frame Size: F Frame
  • Poles: 3
  • Current Rating: 20A
  • Voltage Rating: 480V
  • Interrupting Rating: 65kA @ 480V
  • Protection Type: Thermal Magnetic
  • Trip Functions: Long-Time and Instantaneous (LI)
  • Connection Type: Bolt-On
  • Phase: 3
  • Weight: 7 lb
  • Certifications: UL, CSA
  • Temperature Rating: 40°C