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The SQDCH365 is a premium Square D 3-Pole Fused Disconnect rated for 400A at 600V. This robust and reliable device is designed for safe isolation of electrical circuits, providing enhanced protection for your equipment. Ideal for commercial and industrial applications, it ensures compliance with safety regulations and efficient operation.
The SQDCH365 is designed to accept Class H or Class J fuses in a 3-pole configuration up to 400A at 600V. Class J fuses are often preferred in industrial settings for their current-limiting capabilities. We recommend confirming the required fuse class with your engineer or authority having jurisdiction (AHJ) before purchasing — contact our team and we'll help.
Yes, a 400A 600V fused disconnect like the SQDCH365 can serve as a service entrance disconnect in commercial and industrial applications, provided it is installed in a suitable NEMA-rated enclosure and the installation complies with the Canadian Electrical Code (CEC). Always verify with your local AHJ and licensed electrician to ensure full code compliance for your specific application.
Availability can vary as product lines evolve. Northern Breaker Group specializes in sourcing obsolete and hard-to-find electrical equipment, so even if the SQDCH365 has been discontinued or has limited availability through standard channels, we can often locate new, reconditioned, or equivalent units. Contact our Calgary, Edmonton, or Vancouver teams for a quote and current stock status.
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