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Square D LA36300 - Molded Case Circuit Breaker 300A 600V 3P

Square D
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Square D LA36300 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 300A current rating and a 600V voltage rating, housed within a compact 400A frame with dimensions of 279.4 mm H x 152.4 mm W x 148.34 mm D and a weight of 18.199 lb. This thermal-magnetic breaker is CSA and UL listed, ensuring compliance with North American safety standards for its plug-in connection to I-Line panelboards. Its 30kA interrupting capacity at 480V and long-time plus instantaneous (LI) trip functions make it suitable for protecting feeders and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection with Long-Time and Instantaneous (LI) Trip
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: 400A/LA
  • Poles: 3
  • AIC Rating: 30kA @ 480V
  • Connection: Plug-In Panelboard with Lug Terminal
  • Phase Connection: ABC, 3-Phase
  • Wire Size Range: Minimum 1/0 AWG, Maximum 250 MCM / 600 MCM
  • Standards & Certification: CSA, UL Listed
  • Dimensions: 11 in (279.4 mm) H x 6 in (152.4 mm) W x 5.84 in (148.34 mm) D
  • Weight: 18.199 lb
  • Breaker Type: Standard
  • Panel Type: I-Line Panelboards
  • Country of Origin: Mexico


Product Identification
  • Manufacturer: Schneider Electric
  • Family: I-Line
  • UPC: 785901426240
  • GTIN: 00785901426240