Square D LCL36500 - 500 A, 600 V, 3-Pole Circuit Breaker | AmpState

Introducing the Square D LCL36500 — a 3-pole molded case circuit breaker engineered to shield panelboards and load centers from overcurrent and short circuits. With a robust 500 A rating and a 600 V operating voltage, this unit is designed to handle demanding branch-circuit protection in residential, commercial, and light industrial applications. Sold through AmpState, it’s built to integrate with matching OEM load centers for a cohesive protection system.

• Space-efficient molded-case design: The compact footprint helps maximize usable panel space, making it easier to fit into denser panelboard configurations without compromising protection.
• Thermal-magnetic trip for stable, repeatable protection: The integrated thermal and magnetic sensing provides reliable response to both gradual overloads and high-energy short circuits, reducing nuisance trips while ensuring fast disconnection when faults occur.
• Three-pole configuration for balanced protection: Specifically suited for 3-phase systems, ensuring synchronized disconnection across all conductors and preventing phase imbalance.
• High amperage, high voltage rating: 500 A continuous duty with 600 V capacity supports large feeders and main or subfeed protections in panelboards and load centers.
• OEM-compatible and field-ready: Engineered to drop into matching Square D OEM load centers and panelboards, simplifying replacement, upgrades, and maintenance without adapters or rewiring.
• Versatile for multiple sectors: Ideal for new installations, panel upgrades, or retrofits in residential, commercial, and light industrial environments where dependable protection is critical.

Specifications

• Manufacturer: Square D
• Part Number: LCL36500
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 500 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases and guidance

For installers and facilities managers, the LCL36500 provides a reliable solution when you need robust protection for sizable branch circuits in 3-phase panels. Use it as a main or feeder breaker in commercial or light-industrial loads, or as a critical upgrade in aging Square D panel systems that require a higher-current protection device with a compact form factor. Its compatibility with OEM load centers minimizes compatibility concerns during replacement projects, reducing downtime and simplifying spare-part inventories.

Why this matters

• Reliable protection: The thermal-magnetic trip unit delivers predictable performance across a wide fault-current range, so you can trust it to interrupt faults promptly without unnecessary trips.
• Space optimization: A compact molded-case design helps you maximize panel density, supporting more circuits within the same footprint.
• Long-term compatibility: Use with corresponding OEM panels to maintain warranty considerations and ensure coordinated protection across the system.

Installation and maintenance notes

Follow standard Square D installation instructions and ensure your panelboard is rated for 600 V and compatible with 3-pole molded case breakers. Regular inspection of breaker operation, including visual checks and periodic testing per your maintenance program, will help sustain protection performance over time.