Potter PS10-EX Pressure Actuated Switch is designed for the detection of a waterflow condition in automatic fire sprinkler systems located in hazardous locations classified as shown above. Typical applications are: Wet pipe systems with alarm check valves, dry pipe, preaction, or deluge valves. The PS10-EX is also suitable to provide a low pressure supervisory signal; adjustable between 4 and 20 psi (0,27 and 1,3 BAR)
Features
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Designed and approved for use in hazardous locations internationally
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Two independently adjustable switches, no tools needed
Factory Setting: Both switches operate on pressure increase at: 41 ±7 kPA/.41 ±.07 BAR (6 ±1 PSI) Both switches operate on pressure decrease at: 34 ±7 kPA/.34 ±.07 BAR (5 ±1 PSI)
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Pressure Range: 27-137 kPA/.27-1.3 BAR/ 4-20 PSI
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Maximum Differentia: 7 kPA/.07 BAR (1 PSI)
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Maximum System Pressure: 2068 kPA/20.68 BAR/300 PSI
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Switch Contact Ratings: Two Sets of SPDT (Form C) 15.0 Amps at 125/250 VAC 2.0 Amps at 30 VDC
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Conduit Entrance: 1/2 NPT female conduit opening To maintain type d component protection use an Ex component conduit sealing device
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Environmental Specifications: For use in hazardous locations classified by CENELEC: Ex db IIB T6 Gb Class I: Div 1 Groups B, C, D Class II: Div. 1 Groups E, F, G, Class III: Div. 1
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Enclosure Rating: IP66/NEMA 4,9
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Temperature Rating: -40°C to 60°C (-40°F to 140°F)
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Cover Tamper: Cover incorporates tamper resistant fastener that requires a special key for removal. One key is supplied with each device.
