Potter Amseco WCS-1/2 Water Column Switch, 1/2" NPT Probe

The Water Column Switch is an electronic supervisory switch used to detect the presence of a conductive fluid (water) that can accumulate or become trapped in the piping directly above the clapper on a Dry-Pipe or Pre-Action valve. The electronic circuitry of the WCS is designed to indicate the presence of water accumulated to a specific elevation, that if left unattended could impair or prevent the operation of a dry pipe or pre-action automatic sprinkler valve. The yellow LED indicates the presence of water. The green LED indicates that the input voltage is present.

Also known as: WCS12

Technical Specifications: Environmental Specifi cations: Ambient temperature range 40F - 120F (4,5C- 49C) Enclosure: NEMA Type 1 for indoor use only. Formed sheet metal with powder coat/paint finish. Four openings for conduit fittings. Input Supply Voltage: 120VAC unswitched Probe Fitting Thread Connection: NPT Maximum Working Pressure: 175 PSI Service Use: Dry Pipe/Pre-Action Automatic Sprinkler Systems NFPA 13 Automatic Reset: The WCS will automatically reset when the water in the system is lowered below the probe location. Contact Rating: SPDT 10.0 Amps @ 120VAC, 2.0 Amps @ 30V DC resistive

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