Mc Donnell&Miller General Purpose Mechanical Liquid Flow Switch FS-254

Descrição
McDonnell & Miller FS-254 is a universal mechanical liquid flow switch, designed for turning On or Off a wide variety of electrically-operated equipment (pumps, alarms, burners, etc.). Includes a set of (4) rigid stainless paddles for use with various diameter pipes (sizes 1" through 8"). Integral screw for adjusting flow sensitivity. NEMA 4 enclosure rated for outdoor use. Standard 1" male NPT threaded connection.

Cross-References:
McDonnell & Miller: FS-8W
Hydrolevel: FS204
Taco: IFSWS

Features:
Includes (4): 1", 2", 3", & 6" rigid stainless steel paddles for fitting into pipes of different sizes
NEMA 4 rated for outdoor use
Starts or stops electrical equipment, such as pumps, alarms, motors, burners, and metering devices, when water flow is detected in a system
Replaces common flow switches from Johnson/Penn, Taco, Watts, Hydrolevel, and other manufacturers
Suitable for pipe sizes from 1" to 8"
Adjustable flow senstitivity via internal screw
cULus listed

Technical Specifications:
Electrical Specs: SPDT (Relay Type), NEMA 4 Enclosure
Application: 1" - 8" pipe sizes
Flow Rates: Refer to image specs for minimum and maximum rates for 1" - 8" pipe sizes
Connection: 1" NPT, Threaded
Max Flow Velocity: 10 ft/sec
Pilot Duty: 125 VA @ 120 or 240 VAC; 50/60 Cycles
Switch Rating: 7.4 FLA, 44.4 LRA @ 120 VAC; 3.7 FLA, 22.2 LRA @ 240 VAC
Max Pressure: 160 psi
Max Water Temperature: 250°F
Max Ambient Temperature: 120°F