Eaton Cutler-Hammer QC3020H 20A 3P 240V Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer QC3020H—a purpose-built circuit breaker designed for panelboards, load centers, and electrical distribution networks. This 20A, 3-pole, 240V device is engineered to deliver reliable protection where precise, OEM-grade performance matters most.

Direct part-number match matters in maintenance and panel-building projects. The QC3020H is a straightforward fit for existing Eaton Cutler-Hammer installations, reducing uncertainty during replacements and ensuring you maintain the exact protection characteristics your system was designed for.

• Amperage and topology: 20 A capacity per pole, 3 poles, for 3-phase 240V applications
• Compatibility: Specifically suited for Eaton Cutler-Hammer panelboards and distribution equipment, making it a dependable choice for revisions, upgrades, or spare inventory
• Stock availability: Available from AmpState, with expert help to confirm fit and compatibility if you’re matching a part number to your panel

Why this matters in the field:

• When a replacement breaker is required, a direct-part-number solution like QC3020H speeds procurement and installation, helping you restore service faster.
• Keeping a dedicated stock of exact-match breakers simplifies purchasing, reduces misorders, and ensures you’re always ready for panel maintenance.
• As an Eaton Cutler-Hammer device, QC3020H adheres to the standards your distribution system relies on, providing predictable response in routine monitoring and fault events.

Ideal for maintenance teams, electrical contractors, and panel builders who need a precise, ready-to-install solution that aligns with existing Eaton configurations. It’s also a smart addition to spare inventory for facilities with three-phase 240V distribution, ensuring you can quickly source compatible protection when you’re managing multiple panels.

Use scenarios include replacing aging three-phase 240V breakers in commercial or light industrial panels, stocking a reliable spare for planned maintenance, or specifying exact-match protection during new panel builds that mirror existing Eaton Cutler-Hammer configurations.

If you’re unsure about fit, AmpState can help confirm compatibility—simply reach out and we’ll verify that QC3020H is the right match for your panel, distribution scheme, and maintenance plan.

Technical snapshot:

• Manufacturer: Eaton Cutler-Hammer
• Part Number: QC3020H
• Type: Circuit Breaker
• Amperage: 20 A
• Poles: 3
• Voltage: 240V
• Availability: AmpState

Choose the QC3020H for a precise, reliable match that aligns with your existing Eaton Cutler-Hammer protection scheme. It’s a practical, no-surprises solution for maintaining safe and compliant electrical distribution across your facility.