Square D | ME36800LI | Circuit Breaker | 800A | 3-Pole | 600V

Square D ME36800LI stands as a rugged, three-pole circuit breaker engineered for demanding electrical layouts. With an 800A rating and a 600V maximum, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact compatibility matters. Use the ME36800LI as your reliable path to uninterrupted power protection in industrial environments, knowing the part number is the clearest reference for matching your panel needs.

Key specifications

• Amperage: 800A
• Poles: 3-Pole
• Voltage: 600V

What makes the ME36800LI stand out

This breaker is designed to integrate with Square D panel systems, delivering a precise fit and consistent trip performance that technicians rely on during critical retrofits and replacements. The 3-pole configuration supports balanced three-phase protection, ideal for protecting large motors, compressors, and three-phase feeders. By prioritizing exact compatibility—through the ME36800LI part number—you minimize commissioning time and avoid the uncertainty that comes with generic substitutes.

Ideal use cases

• Maintenance, retrofit, and replacement in existing Square D panelboards and switchgear
• Protection for large three-phase motors, pumps, and HVAC drives in industrial facilities
• Power feeds for data centers, manufacturing lines, and utility rooms where robust 600V protection is required

Compatibility and installation notes

Notes: Confirm fit and ratings before ordering. The part number ME36800LI is the best reference for compatibility.

• Verify that your panel or switchgear accepts the ME36800LI in terms of both physical mounting and electrical ratings
• Ensure the 800A amperage and 600V rating align with the protected circuit’s requirements
• Follow panel documentation for installation procedures and trip settings to maintain proper protection and coordination

Choosing the ME36800LI means aligning with Square D’s trusted protection platform—reducing risk, speeding up retrofit projects, and ensuring consistent protection across your three-phase distribution. If you’re upgrading or replacing a component in a high-demand system, this 800A, 3-Pole, 600V breaker is designed to meet the rigorous demands of modern electrical infrastructure.