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Westinghouse KB3090S - Molded Case 90A 600V 3-Pole

Westinghouse
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Westinghouse KB3090S is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 90A, and 3-phase operation, providing thermal-magnetic protection with long-time and instantaneous trip functions. This 3-pole unit features a bolt-on connection, weighs 19 lb, and is part of the AB DE-ION family with a Type KB frame. It complies with industry standards and carries an AIC rating of 22kA at 480V, making it suitable for protecting feeders and branch circuits in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case
  • Voltage Rating: 600V
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 22kA@480V
  • Family: AB DE-ION
  • Weight: 19 lb
  • Manufacturer: Westinghouse