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Square D LDA36600U43X - Molded Case Circuit Breaker 600A 600V 3P

Square D
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Square D LDA36600U43X is a molded case circuit breaker designed for providing robust overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 600A current rating and a 600V voltage rating, housed within a compact L Frame measuring 340 mm x 140 mm x 110 mm (HxWxD) and weighing 17 lb. This unit complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and utilizes a solid-state LSI (Long-Time, Short-Time, Instantaneous) trip unit for precise protection. Its I-Line style plug-in connection and lug terminals facilitate installation in applications such as panelboards, switchboards, and industrial control panels, supporting wire sizes from 2/0 AWG to 500 kcmil for both aluminum and copper conductors.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection, LSI Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: 13.4 in (340 mm) x 5.5 in (140 mm) x 4.3 in (110 mm) (H x W x D)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Phase: 3
  • AIC Rating: 18kA @ 480V
  • Connection: I-Line Style Plug-In, Lug Terminals
  • Poles: 3
  • Protection: Solid State, LSI (Long-Time, Short-Time, Instantaneous)
  • Functions: LSI Trip Unit
  • Frame Size: L Frame
  • Trip Type: Solid State
  • Wire Size: 2 x AWG 2/0...500 kcmil (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Terminal Connection: I-Line, Lug
  • Family: Powerpact
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 060648628374
  • GTIN: 03606486283745