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Westinghouse HLA3125 - 125A 3-Pole Molded Case Circuit Breaker

Westinghouse
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Westinghouse HLA3125 is a 3-pole, 125 amp, 600 volt molded case circuit breaker from the Mark 75 series, designed for overcurrent protection in industrial and commercial power distribution systems. It utilizes a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions to provide reliable protection against sustained overloads and short circuits. The breaker features a bolt-on mounting design, weighs 29 lb, and is rated for a high interrupting capacity of 35kA at 480VAC. It is UL Listed, ensuring compliance with rigorous industry safety and performance standards. This unit is suitable for three-phase applications requiring robust circuit protection and high fault current interruption.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: MARK 75
  • Type: HLA
  • Weight: 29 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 125A
  • Part Number: HLA3125
  • Amperage: 125A
  • Voltage: 600V AC
  • Poles: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 35kAIC @ 480VAC
  • Series/Frame: Mark 75, LA Frame
  • Trip Unit: Thermal Magnetic, Interchangeable
  • Application: Industrial, Commercial
  • Standards: UL Listed