1010080 Potter WFSR-F Pressure Activated Waterflow Alarm Switch with Retard

Features

• Assembled in USA
• 0-90 second field replaceable time delay retard
• Easy to read retard time delay adjustment knob
• Mounting secured with integral 1/2" male NPT fitting
• Two SPDT (form C) contacts
• Weatherproof
• Easy to read wire terminal designations

Description

The Model 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. Cover incorporates tamper resistant fasteners that require a special key for removal. One key is supplied with each device. For optional cover tamper switch kit, order Stock No. 0090018

Installation

A male ½" NPT pipe fitting is provided for connection to the alarm port of the alarm check valve. No additional mounting or support is required. Allow 5" (12,7cm) to the front of the unit for removal of the cover. Install with the pressure connection down.

Technical Specifications

• Conduit Entrances - Two knockouts provided for 1/2" conduit
• Contact Ratings - Two Sets of SPDT (Form C), 15.0 Amps at 125/250VAC, 2.0 Amps at 30VDC Resistive
• 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)
• Enclosure - Cover - Weather/UV/Flame Resistant High Impact Composite Base - Die-cast aluminum
• Environmental Specifications - NEMA 4/IP54 Rated Enclosure suitable for indoor or outdoor use with factory installed gasket when used with appropriate conduit fitting. 40°F to 120°F (4,5°C to 49°C)
• Maximum System Pressure - 175 PSI (12,1 BAR)
• Pressure Adjustments: - Factory adjusted to operate between 5 and 8 PSI (0,35 and 0,55 BAR) on rising pressure
• Pressure Connection - 1/2" Male NPT
• 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
• Weight - 1.5 lbs. (3,3 kg.)

1010080 Specifications PDF