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Westinghouse KA3090 - Molded Case 90A 600V 3-Pole

Westinghouse
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Westinghouse KA3090 is a 3-pole, 90-amp, 600-volt molded case circuit breaker designed for thermal magnetic protection with long-time and instantaneous (LI) trip functions. It delivers a 22kA interrupting rating at 480V AC and features a bolt-on connection for secure installation in three-phase systems. The KA frame unit weighs 19 lb and includes load side lugs, providing robust overcurrent and short-circuit protection for industrial electrical distribution.

Key Features & Specifications
  • Type: Molded Case
  • Family: KA Series
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 90A
  • Weight: 19 lb
  • Amperage: 90 Amps
  • Mounting Type: Bolt-On
  • Interrupt Rating: 22,000 Amps at 480V
  • Frame Type: KA
  • Trip Unit: Thermal Magnetic
  • Load Side Lugs
  • Application: Molded Case Circuit Breaker
  • Standards: UL Listed