F61 Series
Flow Switch (Low Flow Rate – SPDT)
F61KD-4
Description
For use on liquid lines using water, ethylene glycol solutions, or other liquids not injurious to the brass and phosphor bronze parts. The SPDT contact switch is activated by a low flow rate; however, it has a large flow capacity with a minimum pressure drop.
Applications
Typical applications include:
•water purification and treatment systems
•booster pumps
•fast shutdown on high input boilers to guard against circulation failure
•cooling systems for electronic tubes, bearings, and compressors
Dimensions
Height: 5-1/32 in. (127 mm)
Width: 4 in. (102 mm)
Depth: 2-13/16 in. (71 mm)
To Order
Specify the code number from the following selection chart.
Electrical Ratings
Motor Ratings |
120 |
208 |
240 |
277 |
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VAC |
VAC |
VAC |
VAC |
VAC |
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Horsepower |
1 |
1 |
1 |
– |
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AC Full Load Amp |
16.0 |
8.8 |
8.0 |
– |
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AC Locked Rotor |
96.0 |
52.8 |
48.0 |
– |
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Amp |
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Non-Inductive or |
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Resistance Load |
16 |
16 |
16 |
16 |
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Amp |
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Pilot Duty – 125 VA, 24/277 VAC
Selection Chart
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Enclosure |
Adjustment Range – |
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Maximum |
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Code |
Inlet and Outlet |
GPM (L/Min) |
Maximum |
Minimum |
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NEMA |
Liquid |
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Number |
Size Female NPT |
Type |
R to Y Closes |
R to Y Opens |
Liquid Temp |
Liquid Temp |
Pressure |
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Flow Increase |
Flow Decrease |
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F61KD-3C |
1/2 x 1/2 in. (13 x 13 mm) |
1 |
Minimum 0.6 (2.27) |
Minimum 0.3 (1.14) |
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Maximum 1.1 (4.17) |
Maximum 0.9 (3.4) |
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32°F |
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F61KD-4C |
3/4 x 3/4 in. (19 x 19 mm) |
1 |
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(0°C) |
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F61KD-8C |
3/4 x 3/4 in. (19 x 19 mm) |
1 |
Minimum 8.5 (32.2) |
Minimum 4.5 (17.1) |
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Maximum 9.0 (34.1) |
Maximum 6.3 (23.9) |
250°F |
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150 psig |
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(121°C) |
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(1034 kPa) |
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F61MD-1C |
1/2 x 1/2 in. (13 x 13 mm) |
3R |
Minimum 0.6 (2.27) |
Minimum 0.3 (1.14) |
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Maximum 1.1 (4.17) |
Maximum 0.9 (3.4) |
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-20°F |
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(-29°C) |
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F61MD-2C |
3/4 x 3/4 in. (19 x 19 mm) |
3R |
Minimum 0.6 (2.27) |
Minimum 0.3 (1.14) |
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Maximum 1.1 (4.17) |
Maximum 0.9 (3.4) |
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Universal Replacement Non-Stock Item. Built to Order.
The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson
Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. |
© 12/01 Johnson Controls, Inc |
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