Eaton QC3030H - 30 A, 240 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton QC3030H — a 30A, 240V, 3-pole molded-case circuit breaker engineered for dependable branch-circuit protection in panelboards and load centers. Its compact, space-saving design makes even tight electrical panels feel roomy, while the thermal-magnetic trip unit delivers stable, repeatable protection when you need it most.

• Compact molded-case design minimizes panel space usage without sacrificing protection, helping you fit more circuits in the same enclosure.
• Thermal-magnetic trip unit combines a precise thermal element for overload protection with a fast magnetic response for short-circuit events, reducing nuisance trips and providing reliable protection across a range of conditions.
• 3-pole configuration is ideal for shared-neutral or three-phase panel arrangements, delivering coordinated protection across all live conductors in 240V systems.
• OEM panel compatibility ensures straightforward replacement or retrofits with matching loadcenters and panelboards for hassle-free installations.

Technical snapshot

• Amperage rating: 30 A
• Voltage rating: 240 V
• Poles: 3
• Type: Thermal-magnetic molded-case circuit breaker
• Part number: QC3030H
• Applications: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Ideal use cases

Whether you’re wiring a residential service panel, outfitting a small commercial space, or provisioning light industrial circuits, the QC3030H provides consistent protection for 240V distribution. It’s especially valued in installations where panel real estate is at a premium and reliable trip performance is non-negotiable.

Why choose this Eaton breaker

• Reliable protection that aligns with Eaton’s molded-case design philosophy, delivering durable performance in everyday wiring scenarios.
• Space-efficient form factor that simplifies panel planning and helps maintain organized, accessible electrical layouts.
• Clear compatibility with OEM load centers and panelboards, making replacements and upgrades smoother and faster.

Installation and best-practice guidance

Install the QC3030H in accordance with manufacturer instructions and local electrical codes. Always verify that the breaker rating and pole configuration match your panelboard’s specification, and ensure all connections are properly torqued and secured. For optimal performance, pair this 30A, 240V three-pole breaker with compatible Eaton panel assemblies and follow manufacturer torque and wire-sizing guidance during setup.