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Westinghouse HLB3175TV - Circuit Breaker 175A 3-Pole 600V

Westinghouse
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Westinghouse HLB3175TV is a three-pole molded case circuit breaker from the MARK 75 family, designed to provide thermal magnetic overcurrent protection for industrial and commercial power distribution systems. This unit delivers LI (Long-Time and Instantaneous) protection functions with a 600V AC voltage rating and a 175A current rating, supporting three-phase applications. The breaker weighs 2 lb and features a bolt-on mounting style with load side lug terminals, utilizing an interchangeable trip unit compatible with LB and HLB frames. It is UL Listed and offers a 35kAIC interrupting capacity at 480V AC, ensuring reliable performance in demanding environments. Typical applications include panelboards and switchgear requiring robust short-circuit and overload protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Trip Units & Programmers
  • Family: MARK 75
  • Type: HLB
  • Weight: 2 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Amperage: 175A
  • Protection: Thermal Magnetic
  • Compatible Frames: LB, HLB
  • Mounting Type: Bolt-On
  • Interrupt Rating: 35kAIC @ 480V
  • Terminals: Load Side Lug
  • Application: Three-Phase Power Distribution
  • Standards: UL Listed


Part Number: HLB3175TV