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Square D LHL363501291 - Molded Case 350A 600V (3-Pole)

Square D
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Square D LHL363501291 is a 3-pole molded case circuit breaker from the LHL Series, designed for thermal-magnetic protection in main and feeder applications within industrial and commercial power distribution systems. It is rated for 600V and 350A, with a high interrupting capacity of 35kA at 480V, and provides long-time and instantaneous (LI) trip functions for comprehensive overload and short-circuit protection. The unit features a feed-thru mounting style with line and load side lug terminals, measures 78.39 inches in height, 31.50 inches in width, and 42.13 inches in depth, and weighs 20 lb. It complies with industry standards for molded case breakers and is suitable for panelboard and switchgear installations requiring robust circuit protection. Typical applications include main or feeder protection in high fault current environments, supported by a 120V shunt trip and 2A/2B auxiliary switch for remote operation and monitoring.

Key Features & Specifications
  • Manufacturer: Square D
  • Series: LHL
  • Type: LHL
  • Amperage: 350A
  • Voltage: 600V
  • Poles: 3
  • Phase: 3
  • Frame Size: L Frame
  • Interrupt Rating: 35kA@480V
  • Protection: Thermal Magnetic
  • Trip Unit: LI (Long-Time and Instantaneous)
  • Mounting Type: Feed-Thru
  • Connection: Feed-Thru
  • Terminal Type: Line & Load Lug
  • Dimensions: Height 78.39 in, Width 31.50 in, Depth 42.13 in
  • Weight: 20 lb
  • Features: Shunt Trip (120V), Auxiliary Switch (2A/2B)
  • Application: Main/Feeder Protection


Part Number: LHL363501291