Square D QOB120VHGFI 20A 1P 120V Circuit Breaker, GFCI, Bolt-On | AmpState

Meet the Square D QOB120VHGFI 20A 1P 120V GFCI bolt-on circuit breaker—designed to deliver reliable ground-fault protection for panelboards, load centers, and electrical distribution systems. Built for retrofit work and maintenance planning, this unit keeps your existing part numbers intact while upgrading safety and compliance.

• Core specs at a glance: 20 A, 1-pole, 120 V, GFCI, bolt-on design, Square D part number QOB120VHGFI
• GFCI protection provides rapid interruption on ground faults, reducing shock risk for 120V circuits in wet or damp environments
• Bolt-on mounting offers secure, straightforward installation in compatible panels, simplifying replacement and serviceability
• Ideal for panelboards and load centers where code-compliant, consistent protection is required and inventory continuity matters

Why this matters in real-world use: kitchens, bathrooms, laundry areas, and other spaces where water or moisture presents a shock hazard demand reliable GFCI protection. The QOB120VHGFI delivers immediate fault interruption without sacrificing circuit capacity, helping you meet modern safety standards while maintaining familiar panel configurations.

Who benefits most: electricians managing panel upgrades, facilities teams planning preventive maintenance, and homeowners performing remodels who need GFCI protection on 120V circuits while keeping the exact part number for compatibility and service records.

Practical use cases to consider:

• Retrofit an older panel with GFCI protection to bring circuits in line with current electrical codes
• Stock-ready solution for maintenance programs that require consistent part numbers to minimize compatibility questions
• Upgrade circuits supplying outlets near sinks or wet areas without changing overall panel architecture

AmpState has you covered with availability and compatibility support. If you need help confirming fit, send a message and our team will verify whether the QOB120VHGFI matches your panel—ensuring a safe, code-compliant installation.

With Square D’s trusted reliability and the precise engineering of the QOB series, this 20A 1P 120V GFCI bolt-on breaker is built for enduring performance in everyday electrical distribution tasks.