Eaton FDB2045 - 45 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton FDB2045 — a robust 45A, 600V, 2-pole bolt-on molded case circuit breaker designed to protect your electrical distribution with precision and reliability. Built for dependable branch-circuit overcurrent and short-circuit protection, this breaker excels in panelboards and loadcenters where secure, durable performance matters most.

• Secure bolt-on mounting — delivers a rigid, vibration-resistant bus connection that stays toast to rough duty cycles and equipment start-ups, reducing nuisance trips and maintenance calls.
• Thermal-magnetic trip unit — combines a thermal element for slow-rising faults with a magnetic element for immediate interruption on high-energy short circuits, yielding stable, repeatable protection across varying temperatures and loads.
• OEM-compatible design — engineered to pair with matching Eaton OEM load centers and panelboards, making replacements straightforward and reliable without aftermarket guesswork.
• Versatile for multiple settings — ideal for residential, commercial, and light industrial applications, from service entrances to subpanels and feeder circuits where space and reliability matter.

Why this breaker matters in your electrical system

Choosing the FDB2045 means adopting a protection device that actively guards downstream circuits against overloads and short circuits, helping to prevent equipment damage, electrical fires, and downtime. Its 2-pole configuration ensures synchronized interruption on multi-wire branch circuits, while the 600V rating provides headroom for modern panelboards and higher-demand installations.

Technical snapshot

• Manufacturer: Eaton
• Part Number: FDB2045
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45A
• Voltage Rating: 600V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Available through AmpState, the Eaton FDB2045 is a practical, long-term upgrade for panelboards and load centers where dependable protection and effortless installation are non-negotiable. For installers and facility managers, it’s a thoughtful choice that balances performance with compatibility, ensuring your electrical distribution stays safeguarded across the life of the system.