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The United Electric J400K-455 is an industrial pressure switch designed for demanding applications. This switch operates in environments with pressures from 5 to 80 inches of water column (WC). Built with a rugged NEMA 4 enclosure, it offers protection against dust, water, and corrosion.
Ideal for air compressors, pumps, HVAC systems, industrial machinery, and process control systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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