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Square D LLA36600U44X - Molded Case Circuit Breaker 600A 600V

Square D
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Square D LLA36600U44X is a molded case circuit breaker designed for providing comprehensive LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection in three-phase industrial power distribution systems. It features a solid-state trip unit with a 600A current rating and a 600V voltage rating, housed within a robust L Frame measuring 340 mm H x 140 mm W x 110 mm D and weighing 17 lb. The breaker is engineered for compliance with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards and offers a high interrupting capacity of 100kA at 480V. Its I-Line style plug-in connection and operating temperature range of -2 to 70 °C make it suitable for installation in a wide array of industrial panels and switchgear.

Key Features & Specifications
  • Type: LLA Molded Case Circuit Breaker with Solid State Protection
  • 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
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Shipping Dimensions: 13.4 in (340 mm) H x 5.5 in (140 mm) W x 4.3 in (110 mm) D
  • Phase: 3
  • Voltage: 600V
  • Amperage: 600A
  • AIC rating: 100kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Frame Size: L Frame
  • Wire Size: 2 x AWG 2/0...500 kcmil aluminium/copper
  • Certification: UL, CSA, NOM
  • Mounting: Plug-In
  • Hz: 50/60
  • Enclosure: Molded Case
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Installation Type: Plug-In
  • Breaker Frame: L Frame
  • Current Rating: 600A
  • Operating Temperature Maximum Celsius: 70


Product Identification
  • UPC: 078678858850
  • GTIN: 03606486284032