Square D LE36300LI Circuit Breaker, 300A, 3-Pole, 600V

The Square D LE36300LI circuit breaker is purpose-built for demanding industrial electrical service, maintenance, and replacement projects. With a 300 A rating across three poles and a 600 V maximum, this breaker delivers dependable protection for high-demand circuits in commercial and industrial environments. Use the part number LE36300LI to confirm compatibility with your panel or switchgear and your specific application requirements.

Key features and benefits

• High-amp, three-pole protection: 300 A capacity across 3 poles provides robust safeguarding for large multi-channel or three-phase circuits.
• 600-volt readiness: Engineered to operate reliably in mid- to high-voltage industrial systems, helping prevent outages and equipment damage.
• Brand-backed reliability: Square D (Schneider Electric) durability and engineering designed for long-term performance in challenging environments.
• Easy compatibility check: Verify fit by part number and application requirements to ensure seamless integration into your existing electrical configuration.

Why it matters for your operation

Industrial facilities rely on consistent power protection to minimize downtime. The LE36300LI is designed to stand up to the rigors of service, maintenance, and replacement work, providing dependable interruption protection for critical equipment. Whether you're upgrading legacy panels, performing planned maintenance, or replacing a failed unit, this 3-pole breaker helps you maintain safe, compliant electrical distribution at 600 V.

Use cases and ideal applications

• Replacement of aging or failed circuit breakers in industrial control panels and distribution equipment.
• Upgrading electrical service to accommodate higher-load three-phase circuits.
• New installations in manufacturing, processing, and large-scale facilities that require rugged, reliable circuit protection.

How to ensure the right fit

Important: Verify fit by part number and application requirements. If you’re unsure about compatibility or need help matching a part number to your system, message us and we’ll assist you in confirming the right LE36300LI specification for your setup.