Eaton QCR3020H - 20 A, 240 V, 3-Pole Circuit Breaker | AmpState

The Eaton QCR3020H delivers dependable protection where space and performance matter. This 20 A, 240 V, 3-pole molded case circuit breaker is engineered to shield your electrical systems from overcurrent and short-circuit events, making it a trusted choice for panelboards and load centers across residential, commercial, and light-industrial settings.

• Compact molded case design minimizes footprint while maximizing usable panel space, making retrofits and new installs easier in tight electrical rooms.
• Thermal-magnetic trip unit combines precise thermal sensing with fast magnetic tripping, delivering stable, repeatable protection curves that respond predictably to both gradual overloads and sudden faults.
• 3-pole protection interrupts all three hot conductors together, ensuring balanced, safer shutdown in 3-phase or multi-wire systems.
• OEM-compatible for streamlined wiring designed to pair with matching Eaton OEM load centers and panelboards, promoting straightforward installation and reliable performance out of the box.
• Versatile for a variety of environments well-suited for residential upgrades, commercial equipment rooms, and light-industrial electrical distribution where solid branch-circuit protection is critical.

Technical snapshot

• Amperage rating: 20 A
• Voltage rating: 240 V
• Poles: 3
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaks the mold for your panel

Choosing the Eaton QCR3020H means prioritizing reliable protection with a design that respects the realities of modern electrical spaces. The compact form factor frees up panelboard real estate without sacrificing protection quality, while the thermal-magnetic trip unit provides a predictable response that electricians can count on for consistent performance. The 3-pole configuration ensures all hot legs coordinate during faults, reducing risk and facilitating safer, faster trips in three-phase or multi-wire installations.

Ideal use cases

• New panelboard installations in commercial suites where 3-pole 240 V protection is required.
• Upgrades to main or sub-panels in light industrial facilities needing reliable branch-circuit protection with space-efficient components.
• Residential projects that leverage Eaton-compatible load centers for a cohesive, maintainable electrical system.

In short, the QCR3020H is a purpose-built solution for engineers and electricians who demand precise protection, dependable performance, and a clean, space-conscious installation. When you need a trusted 3-pole breaker that fits your Eaton ecosystem and delivers predictable protection at 240 V, the QCR3020H is ready to perform.