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Westinghouse LB3350T - Thermal Magnetic Trip Unit 350A 600V

Westinghouse
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Westinghouse LB3350T is a thermal magnetic circuit breaker trip unit designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC and 350 amps, providing long-time and instantaneous (LI) protection functions. This three-pole unit weighs 2 lb and is compatible with LB and HLB frame circuit breakers. It is constructed for reliable performance in demanding environments, meeting industry standards for electrical safety and durability. Typical applications include protecting feeders and branch circuits in manufacturing plants, commercial buildings, and heavy machinery.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 350A (Minimum 350A, Maximum 350A)
  • Poles: 3
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Compatible Frames: LB, HLB
  • Weight: 2 lb
  • Family: AB DE-ION
  • Item Subcategory: Trip Units & Programmers


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