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Square D LA36275 - Molded Case Circuit Breaker 275A 600V 3-Pole

Square D
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The Square D LA36275 is a 3-pole molded case circuit breaker from the I-Line family, designed to provide LI (Long-Time and Instantaneous) protection for industrial electrical systems. It is rated for 600V AC, 275A continuous current, and an interrupting capacity of 30kA at 480V, utilizing thermal-magnetic trip technology. The unit measures 11 in (279.4 mm) x 6 in (152.4 mm) x 5.84 in (148.34 mm), weighs 20 lb, and features an I-Line style plug-in connection for direct busbar mounting. This breaker complies with applicable industry standards for overcurrent protection in 3-phase power distribution applications. Typical uses include feeder and main circuit protection in commercial and industrial panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 275A
  • Dimensions: 11 in (279.4 mm) x 6 in (152.4 mm) x 5.84 in (148.34 mm) (Height x Width x Depth)
  • Standards: UL, CSA, NEMA
  • Applications: Feeder and main circuit protection in panelboards, switchboards, motor control centers
  • Switch Type: Thermal-Magnetic
  • Configuration: 3-Pole
  • Phase: 3
  • AIC rating: 30kA@480V
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • Functions: Long-Time and Instantaneous Trip
  • Frame Size: LA
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Breaker Frame: LA
  • Current Rating: 275A
  • Operating Temperature Maximum Celsius: 40°C
  • Weight: 20 lb
  • Family: I-Line
  • Item Subcategory: Molded Case
  • Manufacturer: Schneider Electric


Product Identification
  • UPC: 00785901648710