1350102 Potter PS-10-EX Explosion Proof Pressure Switch

• Model Number: PS-10-EX
• Item Number: 1350102
• Designed and approved for use in hazardous locations internationally
• Weatherproof
• Two independently adjustable switches, no tools needed
• Brass pressure connection
• Solid metal enclosure

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, of particular designs such as wet systems with alarm check valves or dry pipe systems. It may also be used to provide a low pressure supervisory signal. It can be adjusted to operate on pressure between 4 and 20 PSI (.27 and 1.3 BAR).

• CUL, UL and CSFM Listed, FM Approved and NYMEA Accepted
• Pressure Range - 4-20 PSI
• Dimensions - 6"Dia. x 7"H (15,2cm Dia. x 17,8cm H)
• Enclosure - Cast aluminum
• Pressure Connection - 1/2" NPT male brass fitting
• Conduit Entrance - 1/2" NPT female conduit opening
• Factory Adjustment:
• Both switches operate on: Pressure Increase at 6 ±1 PSI (.41 ±.07 BAR)
• Pressure Decrease at 5 ±1 PSI (.35 ±.07 BAR)
• Maximum Differential - 1 PSI (0.07 BAR)
• Maximum System Pressure - 300 PSI (20.68 BAR)
• Switch Contacts:
• Two Sets of SPDT (Form C)
• 15.0 Amps at 125/250 VAC
• 2.0 Amps at 30 VDC
• Environmental Specifications:
• For use in hazardous locations classified as
• Class I: Groups B, C, D, Div. 1
• Class II: Groups E, F, G, Div. 1
• Class III: Div. 1
• NEMA 4 and 9 Rated Enclosure
• Temperature range: -40°F to 140°F (-40°C to 60°C)
• Service Use:
• Automatic Sprinkler NFPA-13
• National Fire Alarm Code NFPA-72

1350102 Datasheet