Square D M800R 800A 3P 600V Circuit Breaker, NEMA 3R | AmpState

Meet the Square D M800R 800A 3P 600V Circuit Breaker—built for daily electrical protection in demanding environments. With a NEMA 3R enclosure, this unit is ready for outdoor and weather-exposed installations, delivering reliable performance where it matters most in panelboards, load centers, and distribution gear. In retrofit projects and ongoing maintenance, keeping the same part number streamlines procurement and ensures a seamless swap when upgrades are needed.

• 3-pole configuration for complete three-phase protection in larger electrical systems.
• 800 A amperage rating at up to 600 V to handle substantial load with dependable protection.
• NEMA 3R enclosure designed for rain, sleet, and outdoor exposure, giving you flexibility for diverse installation sites.
• Retrofit-friendly part number keeps maintenance planning straightforward by avoiding part-number drift during replacements.
• Versatile suitability ideal for panelboards, load centers, and electrical distribution setups in commercial or industrial settings.

Why choose the M800R in your project? It combines rugged outdoor-ready protection with a familiar Square D lineage, helping you maintain consistent specifications across replacements and upgrades. This means fewer surprises during installs and service calls, quicker turnarounds, and less downtime for critical equipment.

Use cases and scenarios:

• Retrofit projects where existing M800R footprints and part numbers must be preserved for compatibility with existing wiring and mounting.
• Maintenance planning for facilities with outdoor electrical rooms or exposed installations that demand durable protection.
• Distribution upgrades in commercial buildings where reliable three-phase protection at 600 V is required.

Availability and compatibility support:

AmpState stocks the Square D M800R, and if you’re unsure about fit, we can help verify compatibility and confirm the correct part number for your panelboard or load center. Reach out with your system details, and we’ll guide you to a precise match.

Practical tips for installation and use:

• Verify that your panelboard or distribution unit accepts the M800R’s three-pole, 800 A format and 600 V rating before purchase.
• Plan for weather exposure in outdoor installations—ensure seals and mounting provisions align with the NEMA 3R requirements.
• Document the replacement part number in your preventive maintenance logs to keep future swaps straightforward.
• Follow all safety protocols and consult a licensed electrician when working with high-current, three-phase electrical equipment.

Choose the Square D M800R 800A 3P 600V Circuit Breaker for dependable protection, consistent part numbers, and outdoor-ready ruggedness that keeps your electrical distribution running smoothly—day in and day out.