Eaton | HFD3040W | Circuit Breaker | 40A | 3-Pole | 600V

Eaton HFD3040W Circuit Breaker, 40A, 3-Pole, 600V is engineered for reliable overcurrent protection in maintenance, retrofit, and replacement projects. Designed to support 3-phase systems, this Eaton breaker provides consistent performance and safety in commercial and industrial panels.

Key specifications and practical benefits:

• Amperage: 40A — precise protection for circuits requiring a 40-amp limit, helping to prevent wiring damage and electrical fires without unnecessary interruptions.
• Poles: 3-Pole — ideal for typical 3-phase installations, ensuring coordinated protection across all three lines in a system.
• Voltage: 600V — suitable for higher-voltage environments commonly found in commercial applications, providing robust protection within this rating.
• Part number: HFD3040W — use this reference as the most reliable compatibility identifier when selecting replacements or retrofits.
• Designed for maintenance, retrofit, and replacement — a practical choice when updating or replacing aging or incompatible breakers while preserving system integrity.

Compatibility and installation notes:

• Before ordering, confirm fit and ratings against your panel or distribution equipment to ensure proper function and safety.
• Keep the HFD3040W part number handy as the best reference for matching specifications and coordinating with distributors or catalogs.

Why this Eaton breaker stands out: it combines a precise 40A rating with a 3-pole configuration and a 600V rating to meet the demands of modern 3-phase electrical systems. When you need a dependable replacement or retrofit that aligns with established Eaton standards, the HFD3040W delivers straightforward compatibility and predictable performance, helping you restore protection quickly and with confidence.