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The SQDNQ454L2 is a Square D 54CCT panel interior designed for 120/208V applications with a robust 225A capacity. Ideal for commercial and industrial electrical systems, this panel interior offers reliable performance and ease of installation. Upgrade your setup with this high-quality component for enhanced efficiency and safety in your electrical distribution system.
This interior is designed for Square D NQ series panelboard enclosures. The enclosure must match the interior's bus rating (225A), voltage (120/208V), and physical dimensions. NQ interiors and enclosures are not universally interchangeable — contact us with your enclosure model number and we'll confirm compatibility before you order.
Yes. The SQDNQ454L2 is rated for 120/208V, which corresponds to a 3-phase, 4-wire wye system commonly used in commercial and light industrial buildings. With 54 circuit spaces, it provides ample capacity for multi-tenant or multi-zone distribution. Verify that your feed conductors and enclosure are rated for 225A at this voltage.
Availability of NQ series interiors can vary as Square D continuously updates its commercial panelboard lineup. Northern Breaker Group specializes in obsolete and hard-to-find electrical equipment — if this interior is discontinued or on long lead time, we can often locate new-old-stock or verified surplus units. Reach out to our Calgary, Edmonton, or Vancouver counters for a quote and availability check.
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