Potter Amseco WFSR-F Pressure Activated Waterflow Alarm Switch with Retard

Also known as: WFSRF, PL-WFSRF

The Potter Amseco 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.

Features:

NEMA 4 solid metal enclosure
Factory installed neoprene gasket
0-90 second pneumatic retard
175 psi system pressure rated
male NPT fitting
Eliminates the need for retard chambers
Two KOs for dual voltage applications
5-year warranty
Listings: UL, cUL, CSFM, FM, NYMEA, and CE

Technical 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 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

UPC: 785192000433

For more information about the Potter / Amseco WFSR-F, please contact us.

WFSR-F Data Sheet