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Square D LE36300LSG - Molded Case Circuit Breaker 300A 600V (LSIG Trip Unit)

Square D
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Square D LE36300LSG is a 300 amp, 3-pole molded case circuit breaker designed for primary protection of electrical distribution systems. This unit operates at a voltage rating of 600V AC and a current rating of 300A, with a solid-state Micrologic trip unit providing LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection functions. The breaker features an I-Line style plug-in connection, weighs 40 lb, and is constructed for mounting in standard panelboards or switchboards. It is rated for an interrupting capacity of 65kA at 480V and complies with UL and CSA certifications. This device is suitable for industrial power distribution applications requiring precise, adjustable protection settings.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Micrologic
  • Type: LE
  • Weight: 40 lb
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Solid State
  • AIC rating: 65kA@480V
  • Phase: 3
  • Current Rating: 300A
  • Amperage: 300A
  • Interrupt Rating: 65kA at 480V
  • Mounting Type: Plug-in / Panelboard
  • Series/Frame: LE Type
  • Certifications: UL, CSA