Square D LC36500 - 500 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Power reliability for your electrical distribution starts with the Square D LC36500—a rugged, 3-pole plug-in molded case circuit breaker designed for dependable overcurrent and short-circuit protection in panelboards and load centers. Rated at 500 A and 600 V, this unit is a purpose-built solution for demanding environments, available through AmpState as a trusted source for electrical protection components.

• Fast plug-in connection for rapid installation and straightforward replacements, minimizing downtime on service panels.
• Thermal-magnetic trip unit delivers stable, repeatable protection across diverse load conditions, reducing nuisance trips and safeguarding wiring.
• Designed for seamless compatibility with matching OEM load centers and panelboards, simplifying upgrades and maintenance.
• 3-pole configuration supports three-phase circuits, providing robust protection for multi‑phase systems.
• Suitable for residential, commercial, and light industrial applications, from main distribution to subfeed protection in busy facilities.

Why this breaker stands out

Beyond basic protection, the LC36500 emphasizes quick serviceability and precise trip behavior. Its thermal-magnetic mechanism ensures dependable fault response, so you get predictable protection when it matters most while maintaining normal operation during steady-state loads.

Technical specifications

• Manufacturer: Square D
• Part number: LC36500
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 500 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal uses and practical scenarios

• Upgrading panelboards in facilities with high-current loads (industrial motors, large HVAC equipment, and similarろheavily loaded circuits).
• Replacing aging or faulty breakers in commercial load centers that require reliable three‑phase protection.
• Residential or mixed-use projects needing a robust 3‑pole solution for main distribution or sub-feed protection.

How this affects your operation: a plug-in design reduces installation complexity, speeding up maintenance cycles and enabling faster corrective actions. Its compatibility with OEM panels means fewer compatibility checks and a smoother integration into existing systems.

Practical tips for installers and facility managers: - Confirm that your load center is rated for a 500 A, 600 V, 3-pole plug-in device. - Match conductor sizing and lugs to support high-current protection safely and code-compliant. - Follow all local electrical codes and manufacturer guidelines during installation and replacement to ensure reliable performance.