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Square D FAF341001143 - 100A 3-Pole Molded Case Breaker 480V

Square D
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Square D FAF341001143 is a 3-pole molded case circuit breaker from the FAF Series, designed to provide thermal magnetic protection for industrial electrical systems. It is rated for 480V AC, 100A continuous current, and features an 18kA interrupting capacity at 480V, with LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. The unit weighs 5 lb and utilizes a bolt-on connection for secure panel mounting in 3-phase applications. This breaker complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. It is commonly used in industrial power distribution panels, motor control centers, and switchboards requiring robust overcurrent protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, FAF Series, Thermal Magnetic
  • Voltage Rating: 480V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • AIC Rating: 18kA@480V
  • Weight: 5 lb
  • Functions: LI - Long-Time and Instantaneous


Product Identification
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