Potter Amseco VSR-FE2-3-1/2 Waterflow Alarm Switch with Electronic Retard, 3-1/2" Pipe

The Model VSR-FE-2-3-1/2 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, size 3-1/2". 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.


Also known as: VSRFE235

Technical Specifications: Conduit Entrances: Two knockouts provided for 1/2" conduit Contact Ratings: DPDT (Form C) 2 Amps at 30VDC or 125VAC resistive 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 Maximum Surge: 18 FPS (5,5 m/s) Minimum Flow for Alarm: 10 GPM (38 LPM) Service Pressure: Up to 450 PSI (31 BAR)

For more information about the Potter / Amseco VSR-FE2-3.5, please contact us.