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Square D LLN36400M37XAFSOHJ00 - 400A Molded Case Breaker (100kA AIC)

Square D
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Square D LLN36400M37XAFSOHJ00 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection in three-phase industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, housed within a robust L-frame construction with a plug-in connection for simplified installation. This Powerpact series breaker complies with relevant industry standards and is engineered for demanding applications requiring a high interrupting capacity of 100kA at 480V. Its design is suitable for integration into panelboards and switchboards where reliable, instantaneous fault protection is critical.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Magnetic-Only Protection (I - Instantaneous)
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: L Frame
  • AIC Rating: 100kA @ 480V
  • Poles: 3
  • Phase: 3-Phase
  • Connection: Plug-In
  • Protection: Magnetic Only
  • Functions: Instantaneous Trip (I)
  • Family: Powerpact
  • Weight: 20 lb


Product Identification
  • Manufacturer Part Number: LLN36400M37XAFSOHJ00