Eaton | HLDB3350X | Circuit Breaker | 350A | 3-Pole | 600V

Meet the Eaton HLDB3350X circuit breaker—a rugged, ready-to-install solution designed for demanding electrical environments. Built to protect three-phase power systems, this unit delivers reliable overcurrent protection for up to 350 A with 3-pole configuration and a rating of up to 600 V. It’s an ideal choice when you’re performing maintenance, retrofit, or replacement work and need a precise, compatible match for existing Eaton installations.

• Amperage: 350 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Part reference: HLDB3350X

Why this HLDB3350X stands out for professionals tackling real-world electrical projects:

• The HLDB3350X is purpose-built for compatibility within Eaton’s lineup, simplifying component swaps during maintenance or retrofit projects.
• Focused on three-phase protection: With a 3-pole design, it’s well-suited for modern commercial and industrial 3-phase power distribution, helping safeguard motors, drives, and other heavy-load circuits.
• High-current capability in a compact form: At 350 A, it provides robust protection for demanding loads while fitting into standard panel footprints used in retrofit and replacement scenarios.
• Durable, reliable replacement option: When upgrading or renewing aging protection, HLDB3350X offers a dependable substitute that aligns with established specifications and performance expectations.

Practical use cases to consider:

• Maintenance intervals on aging electrical panels where a direct-compatibility part is required to minimize downtime.
• Retrofits that replace outdated protection without reconfiguring wiring or control logic—keeping system behavior consistent.
• Replacement in existing Eaton switchgear or panelboards that demand exact amperage, pole count, and voltage ratings.

Important ordering note: Confirm fit and ratings before ordering. The part number HLDB3350X is the best reference for compatibility, helping you avoid mismatches and ensuring a smooth installation. If you’re cataloging parts for a maintenance or retrofit project, this model clearly communicates its purpose and capabilities, so you can plan downtime, spares, and service windows with confidence.