Eaton | MDLB3300 | Circuit Breaker | 3-Pole | 600V

The Eaton MDLB3300 is a 3-pole circuit breaker engineered for 600V systems, designed to support maintenance, retrofit, and replacement projects where exact specifications matter. With this part number in hand, you’re equipped to restore reliable protection quickly and accurately in compatible panels.

Key specifications

• Part number: MDLB3300
• Poles: 3-Pole
• Voltage: 600V
• Application: suitable for maintenance, retrofit, and replacement where matching specs are required
• Compatibility note: Confirm fit and ratings before ordering; this part number is the best reference for compatibility

Who benefits from the MDLB3300

Facilities teams, industrial maintenance crews, and panel upgrade projects will find the MDLB3300 a precise, dependable replacement for 3-phase circuits up to 600V. Its 3-pole configuration ensures consistent protection across all phases, helping prevent imbalances that can affect motors and equipment during service or upgrades.

Why this matters for your project

• Exact matching reference: Using the MDLB3300 as the compatibility anchor reduces the risk of ordering the wrong part during retrofits or replacements.
• Streamlined maintenance and retrofit: A direct drop-in reference helps keep panel labeling and documentation consistent with Eaton’s standards.
• Upfront clarity: Clear notes about fit and ratings help you avoid delays and returns by confirming specifications before purchase.

Practical considerations when ordering and installing

Before purchasing, cross-check the panel’s labeling and intended voltage with the MDLB3300 specifications. Ensure that the 3-pole configuration matches your circuit architecture and that the 600V rating aligns with the protected equipment. Keep the part number MDLB3300 as the primary reference for compatibility to minimize mismatches and downtime.