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Square D LA26300BC - Molded Case 300A 2-Pole (600V I-Line)

Square D
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Square D LA26300BC is a 300A, 2-pole molded case circuit breaker from the I-Line family, designed for overcurrent protection in panelboard and switchboard applications. It operates at 600V AC with a thermal magnetic trip unit providing long-time and instantaneous (LI) protection, and features a 30kA interrupting rating at 480V AC. Measuring 11 in (279.4 mm) x 6 in (152.4 mm) x 5.84 in (148.34 mm) and weighing 7.19 lb, this unit uses an I-Line style plug-in connection with lug terminals, accommodating wire sizes from 1 AWG (Al) up to 250 MCM (Al) or 600 MCM (Cu). The breaker is CSA certified and UL listed for single-phase, 300A service within a 400A/LA frame. It is suited for industrial power distribution in I-Line panelboards, ensuring reliable circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Current Rating: 300A
  • Poles: 2
  • Voltage Rating: 600V
  • Frame Size: 400A/LA
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 30kA@480V
  • Connection: I-Line Style Plug-In
  • Terminal Connection: Lug
  • Min. Wire Size: 1 AWG (Al)
  • Max. Wire Size: 250 MCM (Al), 600 MCM (Cu)
  • Dimensions: 11 in (279.4 mm) x 6 in (152.4 mm) x 5.84 in (148.34 mm) (Height x Width x Depth)
  • Weight: 7.19 lb
  • Standards: CSA Certified, UL Listed
  • Phase: 1
  • Phase Connection: BC
  • Panel Type: I Line Panelboards
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901358428
  • GTIN: 00785901358428