Square D QOB120GFI - 20A, Circuit Breaker

Meet the Square D QOB120GFI 20A circuit breaker — a reliable, purpose-built guardian for electrical systems in demanding environments. With a 20-amp rating, it delivers precise overcurrent protection for circuits across panelboards, switchboards, control panels, and OEM equipment, helping keep distribution networks safe and operational.

Key specifications

• Current rating: 20A
• Breaker type: Circuit Breaker
• Model: QOB120GFI

Where it fits

Designed for industrial, commercial, and OEM applications, this 20A breaker integrates seamlessly into distribution panels and motor control centers. It provides dependable protection where steady, predictable performance matters most—reducing the risk of damage from short circuits or overloads in critical electrical installations.

Ideal use cases

• Panelboards, switchboards, and control panels in factories and facilities
• OEM equipment requiring standardized, reliable overcurrent protection
• Distribution panels serving lighting, outlets, or motor circuits up to 20A

Why this matters

Choosing the QOB120GFI at 20A delivers targeted protection for specific circuits, helping extend equipment life, minimize downtime, and maintain safer operation in high-demand environments. It’s built to endure the rigors of industrial and commercial settings while staying easy to spec and replace within Square D ecosystems.

Installation and compatibility notes

Ideal for integration in systems that rely on Square D components. Ensure the 20A rating aligns with the circuit’s load requirements and that mounting and wiring conform to your panel or control system’s standards. For technicians, this part simplifies stocking and maintenance in distribution and motor control applications.

Who should consider it

Electrical engineers, facilities managers, electricians, and OEM designers seeking a trusted, standard 20A protection device for critical circuits in panelboards, switchboards, and motor control centers.