McDonnell Miller Series FS4-3T

For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners. In-line configuration eliminates need for a pipe tee.  Paddles available for low, medium, or high flow.  Sealed Monel Bellows.  Single pole, double throw snap switch.
Minimum temperature 32°F
Maximum temperature 300°F
Maximum pressure 150 psi

Ordering Information
Model Number Part Number Description Weight lbs. Price
FS4-3T1-3/4
FS4-3T2-3/4
FS4-3T3-3/4
FS4-3T1-1
FS4-3T2-1
FS4-3T3-1
FS4-3T3-3/4-E
FS4-3T3-1-E
114800
114900
115000
115100
115200
115300
115001
115301
3/4" NPT body - high flow rate
3/4" NPT body - medium flow rate
3/4" NPT body - low flow rate
1" NPT body - high flow rate
1" NPT body - medium flow rate
1" NPT bpdy - low flow rate
FS4-3T3-3/4-CE conformance rated
FS4-3T3-1-CE conformance rated
3
3
3
3
3
3
3
3
$193.23
$193.23
$193.23
$193.23
$193.23
$193.23
$193.23
$193.23

NOTE: Do not use liquid flow switches on systems with flow greater than 10 feet per second

Electrical Ratings
  Motor Switching Rating  
Voltage Full Load Locked Rotor Pilot Duty
120 VAC
240 VAC
7.4
3.7
44.4
22.2
125 VA at 120 or 240 VAC
Dimensions
A B C D E F G
3 1 1/2 7/8 2 7/32 6 7/8 2 15/16 3 3/8
H J K L M N
1 11/16 1 5/16 1 1/8 3 1/16 3/4 3/4 or 1
Flow Rates
  Mode of Operation   
Pipe Model Number Size NPT in. Settings Flow gpm No Flow gpm Max. Flow Rate gpm w/o paddle damage
FS4-3T1-3/4 3/4 Factory or minimum 4.4 2.6 16.62
Maximum 10.5 9.8
FS4-3T2-3/4 3/4 Factory or minimum 3.7 2.2
Maximum 8.9 8.3
FS4-3T3-3/4 3/4 Factory or minimum 2 1.2
Maximum 4.5 4.1
FS4-3T1-1 1 Factory or minimum 5 3.2 27
Maximum 11.5 11
FS4-3T2-1 1 Factory or minimum 4.8 2.9
Maximum 10.1 9.4
FS4-3T3-1 1 Factory or minimum 2 1.2
Maximum 4.5 4.1

Values +- 10%



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