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McDonnell Miller Series FS250 General Purpose Liquid Flow Switches

General Purpose Liquid Flow Switches
Series FS250

• Universal design serves the widest variety of applications
• For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others

• 1” NPTM Pipe Connection
• Sensitivity adjusting screw makes flow adjustment easy
• Single pole, double throw snap switch
• EPDM O-ring sealed
• Four stainless steel paddles included - 1”, 2”, 3” & 6” (25, 50, 80, & 150mm)
• Minimum temperature (fluid or ambient) 32°F (0°C)
• Maximum temperature 250°F (121°C)
• Maximum pressure 160 psi (11.2 kg/cm²)
• Models:
FS251 - NEMA1 enclosure
FS254 - NEMA4 enclosure

Select a link under the "item" tab below to order.

Cat #DescriptionsPart NumberWeight Ibs.(kg)
FS251General purpose flow switch-- NEMA11206111.9 (0.9)
FS254General purpose flow switch-- NEMA41206101.9 (0.9)


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