Eaton QC1045 - 45 A, 240 V, 1-Pole Circuit Breaker | AmpState

The Eaton QC1045 is a 45A, 240V, 1-pole molded-case circuit breaker engineered to protect branch circuits in panelboards and loadcenters. Built for dependable overcurrent and short-circuit protection, it delivers consistent performance in a compact form factor that helps maximize panel space and simplify installation.

Why the QC1045 stands apart

• Compact molded-case design minimizes footprint inside your panel, giving you more room for additional circuit breakers without sacrificing protection.
• Thermal-magnetic trip unit provides stable, repeatable protection across a range of fault conditions, reducing nuisance trips and maintaining system reliability.
• OEM-compatible integration is designed to be compatible with matching Eaton OEM loadcenters and panelboards, making replacements and upgrades straightforward.
• Versatile residential, commercial, and light industrial application—suitable for a variety of single-pole circuits that require solid protection at 240V.

Technical snapshot

• Amperage rating: 45 A
• Voltage rating: 240 V
• Number of poles: 1
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases and setup tips

• Ideal for protecting individual branch circuits in residential panels that power outlets, lighting, or dedicated appliances on a 240V supply.
• Great fit for commercial environments and light industrial installations where reliable single-pole protection and space-efficient panel design are priorities.
• When upgrading or replacing an existing breaker, verify compatibility with your panelboard’s OEM specification to ensure seamless operation and consistent trip performance.
• Pair with matching panel enclosures to maintain electrical system integrity and simplify future troubleshooting or expansion.

Engineered with a focus on real-world performance and ease of use, the Eaton QC1045 delivers dependable protection for essential circuits without sacrificing panel organization or serviceability. Choose QC1045 for a trusted, space-conscious solution that keeps your electrical system safe and running smoothly.