Eaton QC3050H - 50 A, 1 V, 3-Pole Circuit Breaker | AmpState

The Eaton QC3050H is a rugged 50A, 3-pole molded case circuit breaker designed to safeguard panelboards and loadcenters from overcurrent and short-circuit events. With a compact form factor and a thermal-magnetic trip unit, this breaker delivers stable, repeatable protection when you need it most.

Why the QC3050H stands out

• Space-efficient design: The molded case construction is optimized for tight panel layouts, helping you maximize usable space in both new installations and upgrades.
• Precise protection with a thermal-magnetic trip: The combination of thermal and magnetic trip mechanisms provides dependable response to both gradual overloads and instantaneous short circuits, reducing nuisance tripping and protecting connected equipment.
• OEM-ready compatibility: Engineered to pair with matching OEM loadcenters and panelboards, ensuring a seamless, reliable installation when replacing or expanding your electrical distribution.
• Versatile for multiple sectors: Ideal for residential, commercial, and light industrial applications where robust branch-circuit protection is essential.

What makes this 3-pole breaker essential

Designed for three-phase or multi-branch configurations, the QC3050H handles demanding loads while maintaining dependable protection for critical circuits. Its 50A rating makes it suitable for feeders to subpanels, HVAC equipment, and other high-demand circuits where consistent performance matters.

Use cases and scenarios

• Upgrading residential or commercial panels to improve short-circuit protection for high-draw equipment.
• Installing or expanding subpanels in light industrial setups where reliable overcurrent protection is required.
• Replacing worn breakers in OEM-loadcenter environments to maintain system compatibility and performance.

Technical at a glance

• Manufacturer: Eaton
• Part Number: QC3050H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50A
• Voltage Rating: 1V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re outfitting a new panel installation or upgrading an aging distribution system, the Eaton QC3050H delivers dependable protection with a design that respects space and compatibility. It’s a practical, drop-in solution for professionals who value solid performance, precise protection, and straightforward compatibility with OEM panel environments.