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Square D LDA36600U31X - Molded Case Circuit Breaker 600A 600V

Square D
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Square D LDA36600U31X is a molded case circuit breaker designed for providing solid-state protection against overloads and short circuits in three-phase electrical 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 (H x W x D) and weighing 18.77 lb. The breaker is compliant with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is engineered for reliable operation in temperatures from -2°C to 70°C. Its typical applications include industrial power distribution, panelboards, and switchboards where an 18kA interrupting capacity at 480V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection, L Frame, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: 13.4 in (340 mm) H x 5.5 in (140 mm) W x 4.3 in (110 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Temp Rating: -2°C to 70°C (28°F to 158°F)
  • Phase: 3
  • AIC Rating: 18kA @ 480V
  • Connection: Bolt-On, I-Line Lug Terminal
  • Poles: 3
  • Protection: Solid State (LI - Long-Time and Instantaneous)
  • Functions: Overload and Short Circuit
  • Frame Size: L Frame
  • Wire Size: 2 x AWG 2/0 to 500 kcmil (Aluminium/Copper)
  • Certification: UL Listed, CSA Certified, NOM
  • Phase Connection: ABC
  • MCM Size: Min. 2/0 AWG, Max. 500 kcmil
  • Mounting: Fixed
  • Hz: 50/60 Hz
  • Weight: 18.77 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901986737
  • GTIN: 00785901986737