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Square D LI36300CBA - Molded Case Breaker 300A 3-Pole I-Line

Square D
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Square D LI36300CBA is a 3-pole I-Line molded case circuit breaker from the L Frame series, designed for overload and short-circuit protection in commercial and industrial power distribution systems. It is rated for 300A at 600V AC and provides a high interrupting capacity of 200kA at 480V AC, utilizing a thermal magnetic trip unit with Long-Time and Instantaneous (LI) functions. The breaker features an I-Line style plug-in connection for secure mounting in compatible panelboards and weighs 30 lb. It is UL 489 and CSA certified, ensuring compliance with stringent safety standards. This unit is suitable for use in switchboards, panelboards, and other distribution equipment requiring reliable, high-capacity circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: LI36300CBA
  • Type: Molded Case Circuit Breaker
  • Family: I-Line
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Poles: 3
  • Phase: 3
  • Current Rating: 300A
  • Voltage Rating: 600V AC
  • Interrupt Rating: 200kA @ 480V AC
  • Protection: Thermal Magnetic
  • Connection: I-Line Style Plug-In
  • Weight: 30 lb
  • Certifications: UL 489, CSA


Part Number: LI36300CBA