1010080 Potter WFSR-F Low Pressure Switch With Retard

The Model WFSR-F is a pressure operated switch with an adjustable, instantly recycling pneumatic retard to prevent false alarms due to water pressure variation. The WFSR-F is connected into the alarm port of a wet sprinkler system alarm check valve

Specifications

• Dimensions
  • 5 9/16"H x 3 1/2"W x 5 7/8"D
  • (14,1cm H x 8,9cm W x 14,9cm D)
• Weight - 1.5 lbs. (3,3 kg.)
• Enclosure
  • Cover - Die-cast with textured red powdercoat fi nish
  • Base - Die-cast aluminum
• Pressure Connection - 1/2" Male NPT
• Pressure Adjustments - Factory adjusted to operate between 5 and 8 PSI (0.35 and 0,55 BAR) on rising pressure
• Maximum system pressure - 175 PSI (12,1 BAR)
• Contact Ratings - Two Sets of SPDT (Form C) 15.0 Amps at 125/250VAC 2.0 Amps at 30VDC Resistive
• Conduit Entrances - Two knockouts provided for 1/2" conduit
• Environmental Specifi cations - 40°F to 120°F (4,5°C to 49°C) NEMA 4 Enclosure - when used with proper conduit fittings
• Service Use
  • Automatic Sprinkler NFPA-13
  • One or two family dwelling NFPA-13D
  • Residential occupancy up to four stories NFPA-13R
  • National Fire Alarm Code NFPA-72
• Tamper - Cover incorporates tamper resistant fasteners that require a special key for removal. One key is supplied with each device. For optional cover tamper switch kit, order Stock No. 0090018.

1010080 Specifications PDF