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Westinghouse HKL3350 - Molded Case 350A 600V 3 Pole

Westinghouse
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Westinghouse HKL3350 is a 3-pole molded case circuit breaker from the KL Series, designed for reliable overcurrent protection in industrial power distribution systems. It is rated for 350A at 600V AC and features a thermal magnetic trip unit with long-time and instantaneous (LI) functions, providing robust protection against sustained overloads and short circuits. The breaker weighs 48 lb and utilizes a bolt-on mounting style with load side lug terminals for secure installation and maintenance flexibility. It complies with industry standards for high interrupting capacity, rated at 30kAIC at 480V AC, and is part of the MARK 75 series. This circuit breaker is suitable for industrial applications requiring dependable circuit isolation and protection in three-phase electrical systems.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: KL Series
  • Type: HKL
  • Weight: 48 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kAIC @ 480V
  • Phase: 3
  • Current Rating: 350A
  • Frame Type: KL
  • Mounting Type: Bolt-On
  • Trip Unit: Thermal Magnetic with long time and instantaneous functions
  • Interchangeable Trip Unit
  • Load Side Lug Terminals
  • Series: MARK 75