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Square D LLL36600U31X - Molded Case Breaker 600A 600V 3P

Square D
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The Square D LLL36600U31X is a Powerpact L-frame molded case circuit breaker designed to provide reliable overcurrent protection for three-phase industrial power distribution systems. It features a solid-state trip unit with long-time and instantaneous (LI) protection functions, rated for 600A at 600V AC with an interrupting capacity of 100kA at 480V. The compact, feed-thru unit measures 340 mm H x 140 mm W x 110 mm D, weighs 15 lb, and is constructed for operation in temperatures from -25°C to 70°C. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring suitability for a wide range of commercial and industrial panelboard and switchboard applications where robust protection and compliance are critical.

Key Features & Specifications
  • Type: LLL Series, Molded Case Circuit Breaker with Solid-State Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Frame Size: L Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 100kA @ 480V
  • Connection: Feed-Thru
  • Protection: Solid State (LI - Long-Time & Instantaneous)
  • Functions: Long-Time, Instantaneous
  • Trip Type: Solid State
  • Wire Size: 2 x AWG 2/0 to 500 kcmil (Aluminium/Copper)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Dimensions: 340 mm H x 140 mm W x 110 mm D (13.4 in x 5.5 in x 4.3 in)
  • Weight: 15 lb
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901542537
  • GTIN: 00785901542537