1350102 Potter PS10-EX Explosion Proof Pressure Type Waterflow Switch

Features

• Designed and approved for use in hazardous locations internationally
• Weatherproof
• Two independently adjustable switches, no tools needed
• Brass pressure connection
• Solid metal enclosure

Installation

The 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)

Technical Specifications

• Dimensions - 152mm Dia. x 178mm H (6” Dia. x 7” H)
• Enclosure - Cast aluminum
• Pressure Connection - 1/2” NPT male brass fitting
• 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)
• Pressure Range - 27-137 kPA/.27-1.3 BAR/ 4-20 PSI
• Maximum Differential - 7 kPA/.07 BAR (1 PSI)
• Maximum System Pressure - 2068 kPA/20.68 BAR/300 PSI
• Switch Contact Ratings - Two Sets of SPDT (Form C) 15.0 Amps at 125/250 VAC 2.0 Amps at 30 VDC
• Conduit Entrance - 1/2” NPT female conduit opening To maintain type “d” component protection use an Ex component conduit sealing device.
• 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
• Enclosure Rating - IP66/NEMA 4,9
• Temperature Rating - -40°C to 60°C (-40°F to 140°F)
• Cover Tamper - Cover incorporates tamper resistant fastener that requires a special key for removal. One key is supplied with each device
• Service Use - NFPA 13, 13D, 13R, 72

1350102 Specifications PDF