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Square D KCP34090 - 90A Molded Case Circuit Breaker (65kA AIC)

Square D
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Square D KCP34090 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 90A current rating and a 480V AC voltage rating, housed within a compact K-frame construction with a bolt-on connection for secure installation. This thermal magnetic breaker offers both long-time and instantaneous (LI) trip functions and is built to interrupt up to 65kA at 480V, ensuring robust fault protection. It is engineered to meet relevant industry standards for safety and performance in demanding applications such as panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Frame Size: K Frame
  • AIC Rating: 65kA @ 480V AC
  • Poles: 3
  • Phase: 3-Phase
  • Trip Functions: LI (Long-Time and Instantaneous)
  • Connection Type: Bolt-On
  • Weight: 11 lb
  • Family/Series: KCP Series


Product Identification
  • Manufacturer Part Number: KCP34090