System Sensor® Waterflow Detector Switch, Series: WFD, 4 to 10 gpm, 10 A 1/2 hp at 125/250 VAC/ 2.5 A at 6/12/24 VDC Contact, DPDT Switch, 450 psi, NEMA 4, Vertical/Horizontal Mount, 32 to 120 deg F, 4.6 in H x 9 in W
The WFDN series detectors provide an easy to see, feel, and set time delay mechanism. The timer dial is large and easy to turn, with high contrast pad-printed markings. Set by feel in dimly lit locations with tactile features for approximate setting at 30 and 60 seconds. The delay/switch assembly is field replaceable for ease of maintenance. Sealed retard mechanism immune to dust and other contaminants Visual switch activation Field replaceable retard mechanism and DPDT switches Rugged, dual DPDT switches enclosed in a durable terminal block Accommodates up to 12 AWG wire 100% synchronization activates both alarm panel and local bell Tamper resistant cover screws Cover is lighter weight, unpainted and corrosion resistant Less exposed metal reduces shock hazard, non-metallic cover acts as insulator and is resistant to arcing Wire-ready terminals Improved wiring with new terminal block layout Snap-in optional cover tamper switch Improved timer repeatability and accuracy QR Code label on terminal block for easy installation manual reference 18 ft/sec maximum surge 1/2 in conduit one open, one knock out type conduit entrances 6 in pipe 10 through 40 pipe schedule 2 in hole WFD60N replacement Standard/Approvals: UL Listed, FM Approved Application: Indoor/Outdoor