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The FH26040AC Square D 2P 40A 600/347V AC PH I Line circuit breaker is designed for optimal performance and reliability in demanding electrical applications. This two-pole breaker features a 40-amp capacity and ensures superior protection against overcurrent, ideal for commercial and industrial settings. Durable and easy to install, it meets safety regulations.
The FH26040AC is an FH-frame commercial/industrial plug-in breaker. It is designed for Square D FH-frame panelboards and switchboards (such as NF-series and compatible I-Line enclosures rated for 600V). It is not interchangeable with residential QO or Homeline loadcentres. Send us your panelboard model number and we'll confirm the fit.
The Square D FH-frame series is considered a legacy/hard-to-find line in many configurations. Northern Breaker Group specializes in obsolete and difficult-to-source breakers — contact our Calgary, Edmonton, or Vancouver counters or request a quote online and we'll check current stock and sourcing options for you.
The dual voltage rating of 600V AC and 347V AC indicates this breaker is certified for use on both standard Canadian 600V commercial distribution systems and 347V single-phase lines (common in 600Y/347V wye systems used for lighting and commercial branch circuits in Canada). Ensure your panelboard and application match one of these voltage levels before installation.
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