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While often used in 208/230V environments
preventing the burners from firing as a safety precaution against inadequate venting
making it a critical component for commercial HVAC maintenance and seasonal calibration of Series 192
The 193407501 extension module is built for durability in demanding mechanical environments
Hubbell Industrial Controls 47AB10BH Relay 320788-703 While often used in 208/230VThe Hubbell Industrial Controls 47AB10BH Relay is a heavy duty 480V alternating relay engineered for industrial duplex pump and compressor control systems. As a veteran grade Type 5247 alternating relay, it provides a reliable mechanical means to automatically alternate the operation of two separate motor driven loads. This lead lag functionality ensures even mechanical wear and maximizes system uptime. Designed for 480V alternating relay