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Square D LAL36300 - Molded Case Circuit Breaker 300A 600V 3P

Square D
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Square D LAL36300 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in demanding three-phase industrial power distribution systems. It features a 300A current rating and a 600V AC voltage rating, housed within a compact 400A/LA frame with dimensions of 279.4 mm H x 152.4 mm W x 148.34 mm D and a weight of 16.189 lb. The breaker is constructed with a thermal-magnetic trip unit for long-time and instantaneous (LI) protection, utilizes lug terminals for feed-thru connection, and is certified to CSA, IEC, and UL standards. Its 30kA interrupting rating at 480V AC makes it suitable for installation in panelboards, switchboards, motor control centers, industrial enclosures, combination starters, and busway plug-in units.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: 400A/LA
  • Poles: 3
  • AIC Rating: 30kA @ 480V AC
  • Trip Functions: LI (Long-Time & Instantaneous)
  • Connection: Feed-Thru
  • Terminal Connection: Lug
  • Phase Connection: ABC
  • MCM Wire Size Range: Min. 1/0 AWG, Max. 250/600 MCM
  • Dimensions (H x W x D): 11 in (279.4 mm) x 6 in (152.4 mm) x 5.84 in (148.34 mm)
  • Weight: 16.189 lb
  • Standards & Certification: CSA, IEC, UL Listed
  • Compatible Panel Types: Busway Plug-In Units, Combination Starters, Industrial Enclosures, Motor Control Centers, Panelboards, Switchboards
  • Family: LAL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901426783
  • GTIN: 00785901426783