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Square D KCF34100 - Molded Case Circuit Breaker 100A 480V 3P

Square D
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Square D KCF34100 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 100A current rating and a 480V AC voltage rating, housed within a compact K-frame thermal-magnetic design for robust performance. The breaker utilizes a bolt-on connection and offers long-time and instantaneous (LI) trip functions, ensuring protection against both overloads and short circuits with an interrupting capacity of 65kA at 480V. Constructed to meet rigorous industry standards, this 3-pole device is typically applied in panelboards, switchboards, and industrial control panels where dependable circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, KCF Series
  • Voltage Rating: 480V AC
  • Current Rating: 100A
  • Frame Size: K Frame
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 65kA @ 480V
  • Weight: 11 lb
  • Standards: Designed to meet applicable UL and IEC standards
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Note: Lugs are not included; specific lug part numbers require wiring specifications.