Best Price Square D LX36300 – 300A 3 Pole Molded Case Circuit Breaker

Built for heavy-duty industrial applications, this 300A three-pole MCCB utilizes a Micrologic trip unit for accurate True RMS sensing. The LSI configuration allows users to adjust parameters to match specific load requirements. It connects seamlessly into Square D I-Line panelboards. When transitioning to current generation hardware, facilities can substitute this breaker with a PowerPacT LJA36400U31X and an HNM1BL filler. A 65kAIC rating at 480VAC offers substantial short-circuit defense.