Square D QOB115GFI - 15 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Square D QOB115GFI — 15A, 120V, 1-pole bolt-on molded case circuit breaker. This durable device delivers reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters, making it a dependable choice for residential, commercial, and light industrial applications.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping to prevent loose terms and nuisance trips in demanding panel environments.
• Thermal-magnetic trip unit combines thermal and magnetic sensing for stable, repeatable protection—responding to sustained overloads and sudden short circuits with predictable behavior.
• OEM-compatible design matches with the corresponding Square D loadcenters and panelboards for seamless retrofit, upgrade, or replacement projects.
• Versatile for multiple settings engineered for residential, commercial, and light industrial installations where compact, reliable protection is essential.

Whether you’re upgrading an aging panel, performing a quick replacement, or wiring a new circuit, the QOB115GFI simplifies installation with its straightforward bolt-on style and proven Square D reliability. The 1-pole configuration is ideal for protecting individual branch circuits, including lighting, outlets, and small equipment loads, while maintaining clear, predictable protection characteristics.

What makes this breaker stand out

Beyond the basic specs, this unit emphasizes long-term performance in real-world panelboards. The bolt-on mount, combined with the thermal-magnetic trip, minimizes service calls due to loose connections or unpredictable trips. Its compatible engineering with matching OEM panels means fewer compatibility headaches and a cleaner, safer electrical distribution system.

Technical specifications

• Manufacturer: Square D
• Part Number: QOB115GFI
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

In short, the Square D QOB115GFI delivers targeted protection where you need it—reliable, compatible, and ready to install in a wide range of panels. Choose it for durable performance, straightforward maintenance, and the confidence that comes from a trusted Square D design.