Square D Q432300 – 300A 3 Pole Molded Case Circuit Breaker Certified

Engineered for heavy-duty applications, the Q432300 delivers 300A of thermal-magnetic protection for commercial and industrial facilities. This 3-pole MCCB fits perfectly into Square D I-Line panelboards and switchboards, utilizing a convenient plug-on design. It offers a 25kA interrupting capacity at 240VAC and includes standard long-time and instantaneous (LI) trip functions. When upgrading to current-generation equipment, this model is replaced by the PowerPacT LGA36400U31X.