1144453 Potter VSR-C4 Sprinkler Saddle Type Flow Switch For Copper Pipe 4in 100mm 4.500in 114.3mm

• Model Number: VSR-C4
• Item Number: 1144453

The Model VSR-C is a vane type waterflow switch for use on wet sprinkler systems. It is UL Listed for use on Type K, L, and M copper pipe, sizes 2" thru 4" (50mm - 100mm). The VSR-C may also be used as a sectional waterfl ow detector on large systems. The VSR-C contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (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.

• UL and CSFM Listed
• Measurements:
• Nominal Pipe Size - 4in, 100mm
• Nominal Pipe OD - 4.500in, 114.3mm
• Service Use:
• Automatic Sprinkler NFPA-13
• One or two family dwelling NFPA-13D
• Residential occupancy up to four stories NFPA-13R
• National Fire Alarm Code NFPA-72
• Service Pressure - 175 PSI (12,1 BAR) - UL
• Flow Sensitivity Range for Signal - 4-10 GPM (15-38 LPM) - UL
• Maximum Surge - 18 FPS (5.5 m/s)
• 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
• Conduit Entrances:
• Two knockouts provided for 1/2" conduit.
• Individual switch compartments suitable for dissimilar voltages
• Environmental Specifications:
• NEMA 4/IP54 Rated Enclosure suitable for indoor or outdoor use with factory installed gasket and die-cast housing when used with appropriate conduit fitting
• Temperature Range: 40°F - 120°F, (4.5°C - 49°C) - UL
• Non-corrosive sleeve factory installed in saddle

1144453 Datasheet