Eaton Cutler-Hammer QBHW2045 45A 2P 240V Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer QBHW2045 — a 45A, 2-pole, 240V circuit breaker designed for everyday electrical work. This unit protects circuits in panelboards, load centers, and electrical distribution systems, delivering dependable protection where you need it most.

Key differentiators that matter in the field

• Part-number consistency for retrofit and maintenance: The QBHW2045 preserves your inventory fit, making replacements straightforward and reducing downtime when exact part numbers must be preserved.
• Direct application in 240V, 2-pole circuits: Tailored for multi-wire and general 240V distribution where both legs share a common trip.
• Trusted Eaton Cutler-Hammer reliability: Built to withstand routine use in panelboards and load centers, delivering stable protection over time.
• Easy sourcing from AmpState: Available now, with support to verify fit and compatibility for your specific panel and project.

Who should consider this breaker?

• Electrical professionals performing panelboard retrofits or service upgrades requiring a 45A, 2-pole, 240V device.
• Maintenance planners who need predictable part numbers to minimize inventory fragmentation and avoid mismatched components.
• Project managers seeking a reliable, brand-backed breaker to ensure continuous operation in distribution panels.

Product specifics at a glance

• Manufacturer: Eaton Cutler-Hammer
• Part number: QBHW2045
• Amperage: 45 A
• Poles: 2
• Voltage: 240V
• Type: Circuit Breaker

Practical tips for use

• Verify compatibility with your panelboard or load center and ensure it accepts a 2-pole, 240V breaker of this model.
• For retrofit planning, keep a consistent part number across replacements to simplify future maintenance and inventory management.
• Label replacements clearly and document the circuit connections to streamline ongoing servicing and safety checks.

Ready to equip your electrical system with certainty? AmpState has the QBHW2045 in stock. If you’re unsure about fit, our team can assist in confirming compatibility and ensuring a seamless replacement that preserves your existing electrical protection strategy.