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Square D LI364001212 - Molded Case Circuit Breaker 400A 600V 3-Pole

Square D
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Square D LI364001212 is a 3-pole, 400A molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial and commercial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions via a thermal magnetic trip mechanism, rated for 600V AC and capable of interrupting up to 200kA at 480V. The unit features an I-Line style plug-in connection for secure mounting in compatible panelboards and switchboards, weighing 30 lb. It is UL Listed and CSA Certified, meeting rigorous safety and performance standards for high-fault-current environments. This breaker is suited for main or feeder protection in three-phase electrical systems requiring reliable short-circuit and overload interruption.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: LI364001212
  • Type: LI series molded case circuit breaker
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Current Rating: 400A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3-phase ABC connection
  • AIC Rating: 200kA at 480V
  • Connection: I-Line Style Plug-In
  • Mounting Type: I-Line plug-in
  • Weight: 30 lb
  • Family: I-Line
  • Item Subcategory: Molded Case
  • Current Limiting: Yes
  • Auxiliary Contacts: 1A/1B
  • Certifications: UL Listed, CSA Certified