Square D QOB120GFCI - 20A, 120VAC, 1-Pole, GFCI Ground-Fault Circuit Breaker

Meet the Square D QOB120GFCI — a 20A, 120VAC, 1-Pole GFCI circuit breaker crafted for dependable ground-fault protection in demanding electrical environments. This unit combines precise ground-fault sensing with robust overcurrent protection, all in a compact form designed for easy deployment in panelboards, switchboards, and control panels.

Why this GFCI breaker stands out

In installations where safety and reliability are non-negotiable, the QOB120GFCI delivers. It provides instant interruption at the moment a ground fault is detected while simultaneously guarding the circuit against overcurrents. The 1-Pole design streamlines wiring and fits neatly into standard panel architectures, simplifying installation and servicing in busy industrial and commercial settings.

Key specifications

• Current rating: 20A
• Voltage rating: up to 120VAC
• Poles: 1-Pole
• Breaker type: GFCI Ground-Fault Circuit Breaker

Ideal applications

Designed for industrial, commercial, and OEM environments where dependable protection and safe operation are essential in distribution panels and motor control centers. Use in panelboards, switchboards, and control panels to safeguard personnel and equipment on 120V circuits.

Practical use cases

• Protect 120V branch circuits feeding pumps, conveyors, or processing equipment in a panelboard or control panel.
• Meet ground-fault protection requirements for circuits where human contact or moisture introduces shock risk.
• Attach as part of a modular protection strategy in OEM equipment housings and machine control centers.

Installation and best practices

Install in compatible Square D panelboards, switchboards, or control panels designed for 1-Pole GFCI breakers. Plan wiring so line and load connections are clearly identified, and label the protected circuit for maintenance and safety. As with all electrical work, follow local codes and standards, and consider professional installation for critical systems.