Johnson Controls F61 Series Catalog Page

f61s_low whole 1922340 9thcc:2-93 Electric Switches

F61 Series

Flow Switch (Low Flow Rate – SPDT)

f61kd.tif

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.

Selection Chart

Code

Number

F61KD-3C 1/2 x 1/2 in. (13 x 13 m m) 1 F61KD-4C 3/4 x 3/4 in. (19 x 19 m m) 1

★

F61KD-8C 3/4 x 3/4 in. (19 x 19 mm) 1

F61MD-1C 1/2 x 1/2 in. (13 x 13 mm) 3R

★

F61MD-2C 3/4 x 3/4 in. (19 x 19 mm) 3R

Inlet and Outlet

Size Female NPT

Enclosure

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.

Adjustment Range –

NEMA

Type

R to Y Closes Flow Increase

Minimum 0.6 (2.27) Maximum 1.1 (4.17)

Minimum 8.5 (32.2) Maximum 9.0 (34.1)

Minimum 0.6 (2.27) Maximum 1.1 (4.17)

GPM (L/Min)

R to Y Opens

Flow Decrease

Minimum 0.3 (1.14) Maximum 0.9 (3.4)

Minimum 4.5 (17.1) Maximum 6.3 (23.9)

Minimum 0.3 (1.14) Maximum 0.9 (3.4)

Electrical Ratings

Motor Rat ings

VAC

Horsepower 1 1 1 – AC Full Load Amp 16.0 8.8 8.0 – AC Locked Rotor

Amp Non-Inductive or

Resistance Load Amp

Pilot Duty – 125 VA, 24/277 VAC

Maximum

Liquid Temp

250°F (121°C)

120

208

VAC

240

VAC

Maximum

Pressure

150 psig (1034 kPa)

VAC

96.0 52.8 48.0 –

16 16 16 16

Minimum

Liquid Temp

32°F (0°C)

-20°F (-29°C)

277

VAC

Liquid

▲

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.

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