Square D QO330VH 30A 3P Circuit Breaker, Plug-On | AmpState

Meet the Square D QO330VH 30A 3P Circuit Breaker, Plug-On — a precise OEM solution designed to protect your electrical distribution with dependable performance. Built for panelboards, load centers, and electrical distribution systems, this 3-pole breaker is ready to handle three hot conductors in one compact unit, making it a trusted choice for commercial and multi-circuit applications.

Whether you’re conducting a replacement project, stocking spares, or ensuring your BOM stays aligned to the original part number, the QO330VH delivers an exact fit you can rely on. The plug-on design enables straightforward installation on compatible Square D QO-style panels, helping you minimize downtime and maintain system integrity.

Key differentiators and benefits

• Original equipment compatibility: part number QO330VH guarantees exact BOM alignment and dependable interchangeability within Square D QO panel families.
• Plug-On simplicity: a streamlined plug-on connection for efficient installation in compatible panelboards and load centers.
• Three-pole protection: 30 A, 3-pole configuration protects three conductors simultaneously, ideal for 3-phase distribution in commercial or industrial settings.
• Robust construction for distribution reliability: designed to withstand everyday electrical distribution demands and provide consistent protection over time.
• Available from AmpState: easy access to original-spec breakers with support to confirm fit and compatibility.

Specifications at a glance

• Manufacturer: Square D
• Part Number: QO330VH
• Product Type: Circuit Breaker
• Amperage: 30 A
• Poles: 3
• Configuration: Plug-On

Ideal use cases

• Replacing a failed or aged breaker in existing QO-series panelboards and load centers
• Maintaining BOM fidelity for retrofit projects or facility upgrades that require precise original-number parts
• Stocking reliable spares for ongoing maintenance programs in commercial buildings, multi-unit residential facilities, and light-industrial environments

Why choose this for your electrical distribution needs

Choosing the QO330VH means choosing a matchless balance of exact fit, straightforward installation, and dependable protection for your three-phase circuits. By sticking to the original Square D design and part number, you reduce the risk of incompatibility that can occur with aftermarket substitutes and keep your electrical distribution compliant with established standards.

Compatibility and support

To ensure you’re selecting the right part for your panel, AmpState offers guidance to confirm compatibility with your specific QO-series panelboard or load center. If you’re unsure about fit, you can reach out for confirmation before purchase to keep your project on track.

Practical tips for installation and maintenance

• Verify that your panel is compatible with Square D QO330VH (3-pole, 30 A) before installation.
• Power down the main disconnect and follow all local electrical codes and safety practices when replacing breakers.
• Keep a few original-number spares on hand to minimize downtime during routine maintenance or panel upgrades.
• Store replacements in their original packaging and avoid exposing them to moisture or extreme temperatures.

When you need an exact, reliable replacement breaker that aligns with your original design, the Square D QO330VH 30A 3P Plug-On Circuit Breaker from AmpState is your precise solution for safe, continuous electrical protection.