Eaton Cutler-Hammer QBHW3045H 45A 3P 240V Circuit Breaker, Bolt-On | AmpState

The Eaton Cutler-Hammer QBHW3045H is a reliable 45 A, 3-pole, 240V bolt-on circuit breaker designed to protect panelboards, load centers, and electrical distribution systems. Built to align with the original part number, it’s the smart choice for replacement projects and stocking spares that keep the BOM consistent without sacrificing performance.

• Part Number: QBHW3045H
• Manufacturer: Eaton Cutler-Hammer
• Type: Circuit Breaker
• Amperage: 45 A
• Poles: 3
• Voltage: 240V
• Mounting: Bolt-On
• Availability: AmpState

Key advantages you’ll notice with the QBHW3045H include secure bolt-on mounting that stays firmly connected in crowded panels, and a true OEM solution that preserves compatibility with Eaton panelboards and load centers. This ensures you’re protecting critical circuits with a breaker designed for the same electrical characteristics and performance as the original equipment.

Ideal use scenarios

• Replacement projects where maintaining BOM alignment to the original part number is essential
• Stocking spares to minimize downtime during service calls or panel upgrades
• Electrical distribution setups that require a reliable 3-pole, 240V protection solution
• Panelboard and load center applications where consistent trip characteristics and mounting reliability matter

Why choose this specific QBHW3045H for your project? It’s designed to deliver predictable protection for 240V circuits across three poles, with mounting that facilitates straightforward installation in compatible Eaton panels. If you’re unsure about fit, Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.