Square D | LEP36300LI | Circuit Breaker | 300A | 3-Pole | 600V

The Square D LEP36300LI circuit breaker is a robust protection device built for 600V, three‑phase systems. With a 300A rating and a 3‑pole configuration, it’s engineered for maintenance, retrofit, and replacement projects where exact specifications matter. This LEP36300LI unit plugs into compatible Square D panels and distribution gear, delivering reliable interruption when faults occur and helping keep critical equipment running smoothly.

Key specifications

• Amperage: 300A
• Poles: 3-Pole
• Voltage rating: 600V

Why this part matters

Because the LEP36300LI is the precise part reference for many Square D installations, confirming fit and ratings before ordering ensures you maintain the panel’s listing and protection characteristics. Rely on the part number LEP36300LI as the best compatibility benchmark for your system.

Ideal use cases

• Maintenance and service work on existing 3‑phase, 600V electrical systems.
• Retrofit projects that require an exact 300A, 3‑pole, 600V protective device.
• Replacement of a failed LEP‑series breaker in Square D/Eaton panels and distribution gear.

Installation and safety notes

Before installation, ensure power is fully isolated and follow lockout/tagout procedures. Verify that the panel is listed for LEP36300LI and that the bus configuration supports a 3‑pole, 600V protection device. Always adhere to local electrical codes and the panel manufacturer’s instructions.

Practical tips for best results

• Keep documentation of the part reference (LEP36300LI) on hand for future service and reordering.
• Store replacement breakers in their original packaging until installation to prevent contamination of contacts.
• Match the replacement exactly to the panel’s listing to preserve system protection and compliance.