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Square D LIL26300 - Molded Case 300A 600V 2-Pole

Square D
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Square D LIL26300 is a 2-pole molded case circuit breaker from the LIL Series, designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 300A continuous current, and delivers a 200kA interrupting capacity at 480V AC, with LI (Long-Time and Instantaneous) trip functions for coordinated fault management. The unit features a compact L Frame construction with feed-thru connections, weighs 35 lb, and operates on single-phase systems. This breaker complies with UL and NEMA standards for industrial switchgear and panelboard applications. It is typically deployed in manufacturing plants, commercial buildings, and heavy machinery circuits requiring high fault current withstand.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LIL Series, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 200kA@480V
  • Connection: Feed-Thru
  • Protection: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Weight: 35 lb
  • Functions: Long-Time and Instantaneous trip
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, panelboards, switchgear
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase


Product Identification
  • UPC: Not specified
  • GTIN: Not specified