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Cutler Hammer KB3250F - Molded Case Frame 250A 600V 3P

Cutler Hammer
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Cutler Hammer KB3250F is a molded case circuit breaker frame designed for providing thermal-magnetic protection in three-phase electrical systems. It is rated for 600V AC applications with a continuous current rating of 250A and an interrupting capacity of 22kA at 480V. The three-pole, bolt-on frame is constructed for durability and integrates long-time and instantaneous (LI) trip functions for reliable overload and short-circuit protection. This component complies with industry standards for circuit interruption and is intended for integration into industrial panels, switchgear, and motor control centers where a dedicated trip unit is supplied separately.

Key Features & Specifications
  • Type: Molded case circuit breaker frame (KB type) with thermal-magnetic protection and LI (Long-time and Instantaneous) functions
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 22kA @ 480V
  • Protection: Thermal Magnetic
  • Family: AB DE-ION
  • Weight: 16 lb
  • Configuration: Frame only (no lugs or trip unit included)


Product Identification
  • GTIN: 00786679552346