Eaton | MD3350W | Circuit Breaker | 350A | 600V

Eaton MD3350W Circuit Breaker — 350A, 600V — a trusted solution for maintenance, retrofit, and replacement projects where precise compatibility matters. This 350A, 600V device is designed to integrate seamlessly into existing Eaton systems, helping you protect critical loads with confidence.

Key specifications

• Amperage: 350A
• Voltage: 600V
• Part number: MD3350W
• Intended use: maintenance, retrofit, and replacement
• Compatibility note: Confirm fit and ratings before ordering

Why this breaker stands out

When reliability and exact fit matter, the MD3350W delivers. The key advantage of choosing the MD3350W is that the part number is the clearest reference for compatibility with your existing panel, bus, and protection scheme. This specificity helps minimize downtime and the guesswork that often accompanies replacements in commercial and industrial installations.

Ideal use cases

• Replacing a failed or aging breaker in 600V electrical distribution panels
• Retrofit projects that upgrade protection capabilities to a 350A, 600V circuit
• Maintenance outages where a precise, Eaton-approved replacement is required

Fit, compatibility, and ordering tips

To ensure you get the exact match, use the MD3350W part number as your primary compatibility reference. Before you order, verify:

• That the panel or enclosure supports a 350A, 600V device
• That the breaker style and mounting align with your existing hardware
• That the intended application and load characteristics meet your protection needs

What you gain with Eaton

Choosing the MD3350W means relying on Eaton’s engineering for consistent performance and a design that complements Eaton’s broader protection ecosystem. This is not a generic replacement — it’s a purpose-built component intended to maintain protection continuity in demanding environments.

Practical guidance for best results

• Plan replacements during scheduled maintenance to minimize system interruptions
• Document the exact part number (MD3350W) in your asset records to simplify future service and replacements
• Keep a safe, accessible inventory of compatible Eaton breakers for rapid response