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Square D LLN36400CU33XAFSOHJ00 - Molded Case Breaker 400A 600V (100kA AIC)

Square D
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Square D LLN36400CU33XAFSOHJ00 is a molded case circuit breaker designed for providing robust overcurrent protection in demanding three-phase industrial power systems. It features a solid-state LSI (Long-Time, Short-Time, Instantaneous) trip unit for precise protection coordination and is rated for 400A at 600V AC with an interrupting capacity of 100kA at 480V. The breaker is constructed within a compact L-Frame and utilizes a plug-in connection for simplified installation and maintenance, weighing 20 lb. It is engineered to meet rigorous industry standards for reliability and safety in commercial and industrial environments, making it suitable for protecting feeders, motors, and other critical distribution equipment.

Key Features & Specifications
  • Type: Powerpact LLN Series, Molded Case, Solid-State Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: L Frame
  • Poles: 3
  • Phase: 3
  • Connection: Plug-In
  • Protection Functions: LSI (Long-Time, Short-Time, Instantaneous)
  • AIC Rating: 100kA @ 480V
  • Weight: 20 lb