1116008 Potter VSR-FE2-8 Inch Waterflow Alarm Switch with Electronic Retard

Features

• 0-90 second field replaceable electronic time delay retard
• Easy to adjust electronic time delay
• Two DPDT (form C) contacts
• Weatherproof
• Easy to read wire terminal designations
• 5 year warranty

Description

The Model VSR-FE-2 is a vane type waterflow switch for use on wet sprinkler systems. It is UL Listed and FM Approved for use on steel pipe; schedules 10 thru 40, sizes 2" thru 8" (50mm - 200mm). The unit may also be used as a sectional waterflow detector on large systems. The unit contains an output relay and an adjustable electronic retard. The relay is actuated when a flow of 10 gallons per minute (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.

Enclosure

The unit is enclosed in a weather/UV/flame resistant high impact composite plastic. The cover is held in place with two tamper resistant screws which require a special key for removal. A field installable cover tamper switch is available as an option which may be used to indicate unauthorized removal of the cover. See bulletin no. 5400775 for installation instructions of this switch

Technical Specifications

• Conduit Entrances - Two knockouts provided for 1/2" conduit
• Contact Ratings - DPDT (Form C) 2 Amps at 30VDC or 125VAC resistive
• Enclosure - Cover - Weather/UV/Flame Resistant High Impact Composite Base - Die-cast aluminum
• Environmental Specifications - NEMA 4/IP54 Rated Enclosure suitable for indoor or outdoor use with factory installed gasket when used with appropriate conduit fitting. Temperature range: 40°F / 120°F, 4,5°C/49°C Non-corrosive sleeve factory installed in saddle
• Maximum Surge - 18 FPS (5,5 m/s)
• Minimum Flow for Alarm - 10 GPM (38 LPM)
• Power Requirements - STANDBY: 10 mA at 120VAC or 1.5 mA at 24VAC/DC ALARM: 40 mA at 120VAC or 35 mA at 24VAC/DC
• Service Pressure - Up to 450 PSI (31 BAR)
• 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
• Sizes Available - Schedules 10 thru 40, sizes 2" thru 8" (50mm thru 200mm

1116008 Specifications PDF