Square D ME836LSI 800A 3-Pole 600 V Circuit Breaker

Meet the Square D ME836LSI 800A 3-Pole 600 V Circuit Breaker—designed for demanding electrical environments where reliable, high-capacity protection is non-negotiable. Built to handle heavy loads, this breaker delivers decisive overcurrent protection for large-scale power distribution, helping keep systems safe and uptime intact. Part Number ME836LSI is your clear signal of a trusted Square D solution engineered for 600 V applications.

Key specifications

• Part Number: ME836LSI
• Current rating: 800 A
• Poles: 3
• Voltage rating: 600 V

Ideal use cases

• Main service disconnects in large commercial buildings and industrial facilities
• Feeder protection for 600 V electrical distribution networks
• Replacement or upgrade in systems that require a robust, three-pole, high-current breaker

Why this model stands out

• High-current capacity: The 800 A rating supports substantial load demands without compromising protection.
• Three-pole design: Provides synchronized disconnection across all phases, improving system safety and reducing fault consequences.
• Clear compatibility with Square D installations: Designed to integrate smoothly into existing Square D panels and upstream gear that specify ME-series solutions.

Practical insights and setup tips

• Confirm panel and busbar compatibility with ME836LSI to ensure a proper fit and reliable operation.
• Plan for service access and clearance around the breaker to facilitate safe maintenance and quick tripping diagnostics.
• For retrofit projects, verify wiring gauges and terminations align with the 800 A, 3-pole configuration to maximize performance and safety.

When you need dependable, high-capacity protection for 600 V systems, the Square D ME836LSI 800A 3-Pole 600 V Circuit Breaker delivers precise current interruption, minimized downtime, and enduring reliability in demanding applications.