Eaton | HLDB3350W | Circuit Breaker | 350A | 3-Pole

Eaton HLDB3350W circuit breaker delivers powerful, reliable protection for three-phase electrical systems. With a 350A rating and a 3-Pole configuration, this unit is built for demanding industrial environments where dependable current interruption is non-negotiable. Designed for maintenance, retrofit, and replacement projects, it helps you maintain safe, compliant power distribution with minimal downtime.

Key specifications

• Amperage: 350A
• Poles: 3-Pole (three-phase protection)
• Applications: maintenance, retrofit, and replacement when specs match your panel
• Reference for compatibility: Part number HLDB3350W is the best cross-reference

What makes this Eaton breaker a smart choice

When your panel or distribution setup requires a direct, factory-referenced component, the HLDB3350W ensures you’re getting the exact protection profile your system was designed for. Using the precise part number minimizes delays and misfits, helping you keep service windows tight and panels compliant.

Ideal use cases

• Retrofit projects in industrial facilities where panels are being upgraded or expanded
• Replacement of aging breakers in service panels to restore reliable protection
• Maintenance cycles that demand a confident, readily available 350A, 3-pole solution

How to ensure a proper fit

Before ordering, confirm that your equipment’s ratings and mounting configuration align with this unit. The HLDB3350W part number is the most reliable reference for compatibility, ensuring you don’t encounter cross-reference issues or panel mismatches.