MD3800W | Circuit Breaker | 800A | 3-Pole | 600V

MD3800W industrial circuit breaker delivers precise, reliable protection for demanding three‑phase systems. With an 800A rating, a 3‑pole configuration, and a 600V operating range, this unit is purpose‑built for maintenance work, retrofits, and exact‑spec replacements where accuracy matters.

Designed to safeguard critical electrical equipment and interconnected loads, the MD3800W prevents damage from overloads and short circuits while helping you minimize downtime during service windows. Its three‑pole design ensures balanced protection across all phases, making it an ideal choice for commercial, industrial, and manufacturing environments that rely on stable, trip‑regulated power delivery.

Key use cases

• Maintenance: swap‑in ready for service intervals where preserving exact specifications is essential.
• Retrofit projects: upgrade panels and feeders to upgraded protection without compromising system compatibility.
• Replacement: a like‑for‑like substitute when your documentation calls for MD3800W at 800A, 3‑pole, 600V.

Why this MD3800W stands out

• Exact spec alignment: Part number MD3800W is the most reliable reference for compatibility in planned replacements and retrofits.
• Three‑phase protection: A 3‑pole design supports balanced load protection across all legs of your system.
• High current capability: 800A rating meets the demands of sizable distribution points and motor circuits common in modern facilities.
• Clear installation path: Tailored for projects that require a precise fit and predictable performance when upgrading or replacing protective devices.

Compatibility & installation notes

• Confirm fit and ratings before ordering to ensure seamless integration with your panel and busbar arrangement.
• The part number MD3800W is the best reference for compatibility—use it to verify that the unit matches your existing protection scheme.
• Check system requirements: ensure your electrical distribution is within a 600V maximum and that a 3‑pole arrangement is appropriate for your three‑phase setup.
• Review schematic diagrams and panel labeling to align the protective device with your required trip characteristics and maintenance procedures.

Specifications at a glance

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

When you need a dependable, field‑ready solution for maintenance, retrofit, or replacement, the MD3800W delivers the exacting specifications and straightforward installation path your project requires. Add it to your cart and secure a precise fit for your three‑phase protection needs.