Eaton QBAF1020 - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton QBAF1020 — a 20A, 120V, 1-pole bolt-on molded case circuit breaker designed to protect your branch circuits with reliability in panelboards and load centers. Built for dependable overcurrent and short-circuit protection, this breaker is a solid choice for residential, commercial, and light industrial electrical needs.

Why the Eaton QBAF1020 stands out

• Bolt-on mounting provides a rigid, vibration-resistant bus connection that stays secure in busy electrical environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection against both overloads and short circuits, reducing unnecessary trips and improving overall panel performance.
• OEM-compatible design is built to work with matching Eaton load centers and panelboards, ensuring a clean, Code-compliant installation.
• Versatile for multiple applications specifically suitable for residential, commercial, and light industrial settings where reliable circuit protection matters.

Specifications at a glance

• Amperage: 20 A
• Voltage: 120 V
• Poles: 1
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Upgrading or expanding residential panels and service entries where compact, reliable protection is needed.
• Installing in small to mid-size commercial panelboards and load centers that require secure bolt-on mounting to resist vibration.
• Providing dependable protection for lighting and receptacle circuits in light industrial environments, where consistent trip performance matters.
• Retrofits and new installations where OEM compatibility simplifies procurement and reduces compatibility risks.

Installation and practical considerations

To maximize performance, install the QBAF1020 in compatible Eaton panelboards and load centers using proper bolt-on mounting. The thermal-magnetic trip mechanism offers predictable response to overloads and short circuits, helping protect wires and devices from damage. As with any electrical installation, follow local codes and the panel’s installation instructions to ensure secure mounting, correct wiring, and appropriate clearance around the breaker.

The Eaton QBAF1020 is a purpose-built solution for dependable branch circuit protection, engineered to deliver consistent protection where it’s needed most. Part number QBAF1020 ensures you’re choosing a tested, compatible option designed to integrate smoothly with Eaton systems.