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Square D KCF34090 - Molded Case Circuit Breaker 90A 480V 3P

Square D
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Square D KCF34090 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power systems. It features a 90A current rating and a 480V AC voltage rating, housed within a compact K-frame thermal-magnetic unit with a bolt-on connection for secure installation. This breaker complies with industry standards and offers a 65kA interrupting capacity at 480V for robust short-circuit protection. Its typical applications include protecting feeders and branch circuits in industrial control panels, motor control centers, and distribution equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, KCF Series
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Frame Size: K Frame
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 65kA @ 480V
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Weight: 11 lb
  • Standards: Industry Standard Compliance (Specific certifications to be confirmed per local regulations)
  • Applications: Industrial Feeder and Branch Circuit Protection, Motor Control Centers, Power Distribution
  • Note: Lugs are not included; consult manufacturer for lug part numbers based on wiring specifications.