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Matched our existing hardware and fit as expected. Clean install.
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circuit-breaker
Square D QOU330 30A 3P 240V Circuit Breaker | AmpState
| Part Number | QOU330 |
| Amperes | 30 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | circuit-breaker |
Regular price
$674.00
Sale price
$674.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D QOU330 30A 3P 240V Circuit Breaker | AmpState
Regular price
$674.00
Sale price
$674.00
Regular price
Unit price
Product description
Shipping
Meet the Square D QOU330 30A 3P 240V Circuit Breaker—engineered for rock-solid protection in panelboards, load centers, and electrical distribution networks. This 3-pole device delivers dependable, coordinated protection for three-phase systems, helping you keep critical circuits safe and prevent cascading outages.
Key attributes that matter in real-world setups
- Amperage: 30 A—balanced protection for circuits with moderate to heavy loads without nuisance trips.
- Poles: 3-pole configuration ideal for three-phase distribution and equipment where multi-wire protection is required.
- Voltage: 240 V—designed for standard residential and commercial distribution where 240-volt systems prevail.
- Compatibility: Part Number QOU330, a precise match for original BOMs in replacement projects
- Application: Suitable for panelboards, load centers, and electrical distribution networks where reliable circuit protection is essential
Why choose this QOU330 breaker? It’s built to align with your existing electrical architecture, making it an ideal choice for BOM-consistent replacements and stocking spares that minimize downtime. Using the original part number helps ensure you maintain labeling, documentation, and maintenance records without the guesswork that comes with generic alternatives.
Best-use scenarios
- Replacement projects where the OEM BOM requires the QOU330 to preserve compatibility and service history
- Spare inventory for commercial or industrial panels to cut waiting times during outages
- Retrofits or upgrades in three-phase environments that demand coordinated protection across three hot lines
Support and compatibility at your fingertips
Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.
What you get from AmpState
- Access to the Square D QOU330 30A 3P 240V Circuit Breaker, ready for integration into your existing electrical distribution setup
- Reliable availability and support to verify fit against your panelboard or load center specifications
Contact sales@ampstate.com
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
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