The Potter VSR is a vane type waterflow switch with non-corrosive insert for use on wet sprinkler systems. It is UL listed and FM approved for use on steel pipe. The Potter VSR Series is the industry standard for flow switches for fire sprinkler systems and is compatible with the widest range of pipe schedules (5 through 40) in the industry as well as all necessary listings and approvals for installation worldwide.

Potter Roemer Waterflow Alarm Switch With Retard, Type: Vane Type, Item Name: Waterflow Alarm Switch With Retard, Series/Model: Model VSR, 450 PSI Operating Pressure, Contact Configuration: (2) SPDT, 10 A 125/250 VAC, 2 A At 30 VDC, 10 MA At 24 VDC Contact Rating, Conduit Entrance: 1/2 IN, Die Cast Aluminum, 40 - 120 DEG F, Industry Standards: CE Certified, cUL Listed, FM Approved, LPCB Approved, UL Listed, IP54, NEMA 4 Enclosure, 5.56 IN Length, 2-1/4 IN Width, 5.56 IN Height, Additional Specifications: Nominal Size: 5 IN, Flow Rate: 4 - 10 GPM

• Assembled in USA
• 0 to 90 SEC field replaceable time delay retard
• Easy-to-read retard time delay adjustment knob
• Weatherproof
• Easy-to-read wire terminal designations

• Specification Name https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/POTSWITCHVSRF5_Spec.pdf