System Sensor WFD30-2 Waterflow Detector, 3" Pipe Size

• Two-inch mounting hole provided in new WFD30-2 models
• UL-listed models are NEMA 4 rated
• Sealed retard mechanism immune to dust and other contaminants
• Visual switch activation
• Field-replaceable retard mechanism and SPDT switches
• Rugged, dual SPDT switches enclosed in a durable terminal block
• Accommodates up to 12 AWG wire
• Designed for both indoor and outdoor use
• 100 percent synchronization activates both alarm panel and local bell
• Tamper-resistant cover screws

• Static Pressure Rating: 450 PSI*
• Maximum Surge: 18 Feet Per Second (FPS)
• Triggering Threshold Bandwidth (Flow Rate): 410 GPM
• Conduit Entrances: Two openings for conduit. One open, one knock-out type
• Contact Ratings: Two sets of SPDT (Form C) 10.0 A, HP @ 125/250 VAC 2.5 A @ 6/12/24 VDC
• Compatible Pipe: Steel water pipe, schedule 10 through 40
• Operating Temperature Range: 32F to 120F (0C to 49C)
• Enclosure Rating: NEMA 4 suitable for indoor/outdoor use
• Cover Tamper Switch: Standard with ULC models, optional for UL models, part no. 546-7000
• Service Use Automatic Sprinkler: NFPA-13 / One or Two Family Dwelling: NFPA 13D / Residential Occupancies up to 4 Stories: NFPA 13R / National Fire Alarm Code: NFPA-72
• U.S. Patent Numbers: 5,213,205
• Warranty: 3 years