Eaton Cutler-Hammer QC3070H 70A 3P 240V Circuit Breaker | AmpState

The Eaton Cutler-Hammer QC3070H delivers dependable overcurrent protection for panelboards, load centers, and electrical distribution setups. With a 70 A rating across 3 poles at 240 V, this circuit breaker is designed for reliable performance in commercial and industrial environments where precise part-number matching matters for fast, accurate replacements.

What makes the QC3070H stand out

• Direct part-number match—specifically the QC3070H ensures compatibility with existing Eaton Cutler-Hammer installations, reducing guesswork during maintenance or upgrades.
• Three-pole, 240-volt design—suitable for three-phase or multi-branch configurations, providing cohesive protection across interconnected circuits.
• 70 A protection—efficiently guards medium-load circuits without compromising availability or service continuity.
• End-to-end compatibility—intended for use in panelboards, load centers, and comprehensive electrical distribution systems, streamlining procurement and stock management.
• Available through AmpState—a trusted source for genuine Eaton components with support to confirm fit and compatibility.

Ideal use cases

• Routine replacement in commercial or industrial panelboards where a precise QC-series part is required
• Panel builders stocking spare inventory to minimize downtime on project sites
• Maintenance teams performing quick, reliable upgrades to existing Eaton distributions without forgoing compatibility

How to verify compatibility

If you’re unsure whether the QC3070H matches your system, message AmpState for personalized assistance. We’ll help confirm the fit and ensure the part aligns with your Eaton panel or distribution setup.

Why choose AmpState for this part

Buying the QC3070H through AmpState means access to authentic Eaton Cutler-Hammer components and expert guidance to verify compatibility. This ensures you get a dependable replacement that integrates smoothly with your existing equipment, keeps downtime to a minimum, and maintains the integrity of your electrical distribution.