Eaton QC2100 - 100 A, 240 V, 2-Pole Circuit Breaker | AmpState

The Eaton QC2100 100A, 240V, 2-Pole Molded Case Circuit Breaker is engineered to deliver dependable branch circuit protection where it matters most—inside panelboards and loadcenters. With a compact, space-efficient design and a thermal-magnetic trip unit, this breaker provides stable, repeatable protection against overloads and short circuits, keeping electrical systems safe and minimizing downtime.

Why the Eaton QC2100 stands out

• Space-efficient molded case design optimizes panel real estate, making it easier to fit high-demand circuits without crowding the panel.
• Thermal-magnetic trip unit combines a thermal element for gradual overload detection with a magnetic element for instantaneous short-circuit interruption, delivering precise protection when it’s needed.
• OEM-compatible for seamless integration designed to be compatible with matching OEM loadcenters and panelboards, ensuring reliable fit and consistent trip characteristics.
• Versatile for multiple sectors suitable for residential, commercial, and light industrial installations, addressing a wide range of protection needs.
• Reliable 100A, 240V, 2-Pole protection protecting two hot legs for 240V circuits and serving as an essential safeguard for large feeders and critical 240V loads.

Ideal use cases

• Main feeders or large 240V branch circuits in residential service panels or subpanels.
• HVAC equipment, water heating, and other high-demand 240V loads in commercial settings.
• Subpanel protection in light industrial applications where space and reliability are at a premium.
• Panelboard maintenance or replacement projects that require OEM-compatible components for consistent performance.

Technical specifications at a glance

• Manufacturer: Eaton
• Part number: QC2100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 240 V
• Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Practical considerations and guidance

Choosing the QC2100 means prioritizing reliability and compatibility. Its molded case construction is designed for robust endurance in panel environments, while the thermal-magnetic trip mechanism helps minimize nuisance trips and provides predictable interruption behavior during fault conditions. When replacing or upgrading, verify that the new breaker matches the panelboard’s OEM specifications to preserve consistent electrical performance and trip characteristics. For optimal safety, follow the panel manufacturer’s guidelines regarding installation, torque, and compatibility.