Square D QOB220VH - 20A, 2-Pole, Circuit Breaker

Meet the Square D QOB220VH — a 20A, 2-pole circuit breaker engineered for dependable overcurrent protection in the most demanding electrical environments. Designed for seamless integration with panelboards, switchboards, and control panels, this unit is purpose-built for industrial, commercial, and OEM applications where safe operation and reliable power distribution matter day in and day out.

Why this 2-pole design stands out: two hot conductors are protected and simultaneously disconnected on a fault, delivering predictable, coordinated protection that simplifies maintenance and reduces arc exposure during service. The 20A rating is ideal for branch circuits powering lighting, receptacles, small motors, and control circuits where precise protection prevents damage without unnecessary interruptions.

Key advantages and practical benefits

• Dual-pole protection: safeguards both live lines and provides coordinated shutdown for safe service and easier troubleshooting.
• Versatile installation: specifically suited for panelboards, switchboards, and control panels, making upgrades and replacements straightforward in existing electrical layouts.
• Industrial and commercial reliability: engineered for ongoing performance in distribution panels and motor control centers where consistent protection is essential.
• Straightforward integration: designed to fit common electrical infrastructures, helping technicians reduce installation time and wiring errors.

Ideal use cases

• New or upgraded distribution panels in manufacturing facilities, warehouses, and process lines where two hot legs require simultaneous protection.
• OEM equipment assemblies that demand robust, plug-in protection to guard critical circuits and drive systems.
• Commercial building panelboards supporting lighting, HVAC control circuits, and essential power outlets that benefit from reliable overcurrent protection.

Technical snapshot

• Current rating: 20 A
• Poles: 2-Pole
• Breaker type: Circuit Breaker
• Applications: Industrial, commercial, and OEM environments requiring dependable protection in distribution panels and motor control centers

Tips for selection and installation

Choose the QOB220VH when your panel design calls for reliable two-pole protection on a 20-amp circuit. Verify compatibility with your enclosure and wiring schemes, and plan for easy maintenance by ensuring clear labeling of protected circuits. Regular inspection of connected conductors and mounting integrity will help maintain optimal performance over the panel’s life.