Potter Amseco VSR-4 Vane Type Waterflow Alarm Switch with Retard, 4" Pipe Size (Replaces VSR-F)

The Potter Amseco VSR-4 is a vane type waterow switch for use on wet sprinkler systems. It is UL Listed and FM Approved for use on steel pipe; schedules 10 through 40, size 4" (50 mm thru 200 mm).

The VSR-4 may also be used as a sectional waterow detector on large systems. The unit contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a ow of 10 GPM (38 LPM) or more occurs downstream of the device. The ow condition must exist for a period of time necessary to overcome the selected retard period.

UPC: 785192012825
Also known as: VSR4, PL-VSR4

Technical Specifications: Conduit Entrances: Two knockouts provided for 1/2" conduit Contact Ratings: Two sets of SPDT (Form C), 10.0 Amps at 125/250VAC, 2.0 Amps at 30VDC Resistive, 10 mAmps min. at 24VDC Maximum Surge: 18 FPS (5.5 m/s) Flow Sensitivity Range for Signal: 4-10 GPM (15-38 LPM) - UL

For more information about the Potter / Amseco VSR-4, please contact us.