Square D | MEL36800LI | Circuit Breaker | 800A | 3-Pole | 600V

Meet the Square D MEL36800LI Circuit Breaker — a rugged, high-capacity protection device designed for demanding electrical systems. With an 800A rating, three poles, and a 600V maximum voltage, this genuine Square D component is built for reliability in maintenance, retrofit, and replacement projects where exact compatibility matters. Always verify fit and ratings before ordering; the MEL36800LI part number is the most reliable reference for ensuring a seamless match.

• High-current protection: 800A capacity provides sturdy protection for heavy feeders and large power distribution circuits.
• Three-pole design: Multiphase protection ensures balanced tripping across all phases, helping prevent equipment damage and uneven loads.
• 600V system compatibility: Suitable for a wide range of industrial and commercial electrical installations that operate at up to 600V.
• OEM reliability: A genuine Square D part, engineered to integrate smoothly with Square D panels and accessories for consistent performance.
• Versatile use cases: Ideal for maintenance upgrades, retrofit projects, and replacement scenarios where exact part matching is critical.

Why this specific breaker stands out

Unlike generic substitutes, the MEL36800LI delivers the exact electrical characteristics, mounting footprint, and trip behavior you expect from a Square D product. By sticking with the part number MEL36800LI, you minimize compatibility questions and reduce installation surprises, keeping downtime to a minimum and ensuring ongoing protection for your power system.

Ideal applications

• Industrial facilities upgrading feeders to handle higher loads while preserving protection standards
• Retrofit projects where panel layouts require a precise, compatible 3-pole, 600V breaker
• Replacement of aging or failed breakers in large machine rooms, process lines, and central power distribution panels
• Maintenance of critical infrastructure where consistent performance and dependable tripping are essential

Practical tips for selection and installation

• Always confirm fit using the exact part number MEL36800LI and compare with your panel’s labeling and catalog data.
• Ensure the system voltage does not exceed 600V and that the feeder configuration matches a 3-pole setup.
• Engage a licensed electrician for installation to comply with safety and local electrical codes.
• Store spare breakers in a dry, clean environment and handle with care to preserve internal mechanisms.

Key specifications

• Amperage: 800A
• Poles: 3-Pole
• Voltage: 600V
• Part number: MEL36800LI
• Brand: Square D