Square D LI36500 – 500A 3 Pole Molded Case Circuit Breaker Fan Favorite

Built for heavy-duty industrial applications, the Square D LI36500 is a 3-pole, 500A current-limiting MCCB. It delivers robust long-time and instantaneous (LI) thermal-magnetic protection for demanding environments. Designed for Square D I-Line panelboards, this unit features a plug-on mounting style. It is officially replaced by the PowerPacT LRA36600U31X, which can be dialed to a 500A trip setting. With a 200 kAIC rating at 480VAC, it effectively safeguards downstream electrical devices.