Square D QO120PAF Arc-Fault Circuit Breaker (New Version) – 20A, 1 Pole, 120V, UL Listed

Introducing the Square D QO120PAF, the newer arc fault circuit breaker designed for residential panels. This 20 amp, 1 pole device protects standard 120 volt circuits and carries UL listing for reliable performance. The updated design fits neatly into existing Square D QO panels, with a plug on neutral and a plug in mount that makes replacement or upgrades cleaner even in crowded electrical spaces. If you are modernizing a panel, the QO120PAF offers a streamlined option that combines safety features with straightforward installation.

Arc fault protection you can rely on

Combo arc fault technology monitors for arcing conditions across common circuit configurations. The result is heightened awareness of potential insulation issues and a smoother operation that helps reduce nuisance trips while staying within typical residential panel parameters. This is protection that aligns with everyday household use, from living rooms to kitchens, without complicating the electrical layout.

Key specifications at a glance

• 20 amps, 1 pole, 120 VAC
• 10,000 A interrupting capacity
• Combo arc fault protection
• Plug-on neutral
• Plug-in mount
• UL Listed
• Compatible with Square D QO panels

Installation and practical use

• Designed for fast replacement in compatible Square D QO panels
• Compact form factor supports crowded panels and tight spaces
• Suitable for standard 120 V circuits in residential settings

Real-world uses

• Living rooms or home offices with extensive outlets needing safe protection
• Kitchen circuits and small-appliance outlets requiring reliable arc fault coverage
• Upgrading older panels to modern arc fault protection for added electrical safety

Choosing the QO120PAF presents a practical option for modernizing a panel with arc fault protection. While outcomes can vary by installation, this unit offers possibilities for safer, more predictable operation in everyday electrical setups within a familiar QO system.