Square D QOB320VH - 20A, 3-Pole, Circuit Breaker

Meet the Square D QOB320VH — a precise 20A, 3-Pole circuit breaker crafted for reliable overcurrent protection in demanding electrical environments. Its 3-pole design is specifically suited for 3-phase systems, allowing synchronized protection across all live conductors and simplifying layout in complex panels.

Designed for industrial, commercial, and OEM applications, the QOB320VH excels in panelboards, switchboards, and control panels where dependable protection and safe operation are non-negotiable. Targeted for distribution panels and motor control centers, this breaker helps keep critical machinery and control circuitry safeguarded from overloads and short circuits.

Key specifications

• Current rating: 20A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Why this 3-Pole design matters

• Protects all phases of a 3-phase load with a single device, ensuring balanced shutdown during fault conditions
• Simplifies wiring and reduces panel footprint by consolidating protection for three conductors
• Ideal for motor control centers and distribution schemes where coordinated tripping is essential

Ideal applications

• Panelboards and switchboards in industrial facilities
• Control panels for automation and process systems
• Motor control centers and equipment racks in commercial and manufacturing settings
• OEM assemblies requiring compact, reliable overcurrent protection

Performance and reliability you can count on

The Square D QOB320VH delivers dependable overcurrent protection, contributing to safer operation and reduced downtime. By protecting 3-phase circuits, it minimizes the risk of equipment damage and unplanned outages, helping teams maintain production schedules and protect critical assets.

Installation and practical considerations

• Compatible with standard distribution panels and control enclosures that accept 3-pole circuit breakers
• Integrates into existing protection schemes for enhanced safety and modularity
• Follow standard electrical practices during installation to ensure secure mounting and proper clearance around the device

Choose the Square D QOB320VH when you need precise 3-phase protection in a compact, reliable package. It’s the practical, performance-driven choice for modern electrical distribution—from busy commercial facilities to demanding OEM applications.