Eaton | HFD4045 | Circuit Breaker | 45A | 4-Pole | 600V

Introducing the Eaton HFD4045 circuit breaker—a rugged 45A, 4-pole protector designed for demanding 600V distribution environments. This unit is purpose-built for maintenance, retrofit, and replacement projects, offering a reliable path to restore safe, compliant power delivery. When ordering, reference the exact part number—HFD4045—to maximize compatibility with your Eaton panels and accessories.

Why this 4-pole breaker stands out

• Full-conductor isolation: The 4‑pole configuration interrupts all live conductors in 3‑phase systems with a neutral, enhancing safety during trips and maintenance.
• 600V rating: Engineered for industrial distribution and control panels where higher voltage protection is essential.
• Precise current protection: 45A rating provides reliable overload and short-circuit protection for motors, feeders, and heavy loads without nuisance trips.
• Trusted Eaton durability: Built to perform consistently under industrial conditions, with components chosen for long service life and predictable trip behavior.
• Clear compatibility reference: The part number HFD4045 serves as the best reference for matching this breaker to your existing gear—always verify fit and ratings before ordering.

Ideal use cases

• Maintenance and retrofit projects in commercial or light‑industrial panels where a neutral-inclusive 4‑pole protection device is required.
• Replacement of aging circuit breakers in 3‑phase distribution setups that demand reliable 600V protection.
• New installations that need a robust 45A, 4‑pole solution with a clear path to compatibility within Eaton’s ecosystem.

Technical snapshot

Amperage: 45A • Poles: 4‑Pole • Voltage: 600V • Part number: HFD4045