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The FH17030A SQUARE D 1P is a high-performance 30A 347V circuit breaker designed for reliable protection in single-phase applications. Its robust construction ensures durability and long-lasting performance, making it ideal for commercial and residential settings. Easily integrate this breaker into your system for enhanced safety and functionality.
The 347V rating is specific to Canadian single-phase commercial and industrial distribution systems, where 347V is one phase of a 600V wye system. This is higher than the 120/240V found in residential panels, so the FH17030A is designed for commercial panelboards — not standard home loadcentres.
The Square D FH series can be difficult to source through regular supply channels. Northern Breaker Group specializes in obsolete and hard-to-find breakers, so we may have new, reconditioned, or surplus stock available. Contact us or request a quote and we'll confirm current availability.
The 18kA (18,000 amperes) interrupting rating is the maximum fault current the FH17030A can safely clear. You must verify that the available short-circuit current at the point of installation does not exceed this value. If your system's fault current is higher, a breaker with a greater interrupting capacity will be required — contact us and we can help you find the right fit.
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