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The SQDWA4ECR64A3SFFFXXXX is a Square D MasterPact 1600A 600V air circuit breaker, designed for high-performance applications. This durable and reliable breaker features advanced protection technology, ensuring optimal safety for your electrical systems. Ideal for commercial and industrial use, it guarantees seamless operation and peace of mind for your power distribution needs.
The Masterpact 1600A ACB is a large-frame air circuit breaker designed for industrial-grade Square D Masterpact switchboards and drawout switchgear lineups. It is not compatible with residential loadcentres. If you need to confirm compatibility with a specific enclosure or bus configuration, contact our team with your equipment details.
Yes — Northern Breaker Group specializes in obsolete and hard-to-find breakers, and the Masterpact series is one we actively source. Whether you need a direct replacement or a compatible substitute for an aging Masterpact installation, our team can help identify the right unit. Reach out for a quote and availability check.
The Masterpact series supports advanced electronic trip units with configurable protection functions (long-time, short-time, instantaneous, and ground fault). The exact trip unit type and settings on the SQDWA4ECR64A3SFFFXXXX are defined by its full catalogue suffix. Contact us with your application requirements and we can clarify the protection profile or help source a unit with the configuration you need.
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