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Square D LLA36600U43X - Molded Case Circuit Breaker 600A 600V 3P

Square D
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Square D LLA36600U43X is a molded case circuit breaker designed for providing robust overcurrent and short-circuit protection in demanding three-phase industrial power distribution systems. It features a solid-state LSI (Long-Time, Short-Time, Instantaneous) trip unit for precise protection and is rated for 600A at 600V AC with an interrupting capacity of 100kA at 480V. The breaker is constructed with an L frame, measures 13.4 in (340 mm) H x 5.5 in (140 mm) W x 4.3 in (110 mm) D, weighs 17 lb, and utilizes a convenient I-Line style plug-in connection for conductors from AWG 2/0 to 500 kcmil. It complies with major industry standards including UL, CSA, NEMA, and IEC 60947-2, and is engineered for reliable operation in ambient temperatures from -2 to 70 °C (28 to 158 °F), making it suitable for use in industrial control panels, switchgear, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LLA Type, Solid State Protection, I-Line Style Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: 13.4 in H x 5.5 in W x 4.3 in D (340 mm x 140 mm x 110 mm)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Switchgear, Motor Control Centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Phase: 3
  • AIC Rating: 100kA @ 480V
  • Connection: Plug-In
  • Poles: 3
  • Protection: Solid State, LSI (Long-Time, Short-Time, Instantaneous)
  • Functions: LSI Protection
  • Frame Size: L Frame
  • Trip Type: Solid State
  • Wire Size: 2 x AWG 2/0 to 500 kcmil (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Family: Powerpact
  • Country of Origin: United States
  • Weight: 17 lb


Product Identification
  • UPC: 785901710776
  • GTIN: 00785901710776