Omega Products FSW501 User Manual
LOW-COST FLOW SWITCHES FOR
33.5
(1.32)
50.8
(2)
45
(1.8)
37.5
(1.48)
96.5
(3.8)
0
0
1
2
3
4
5
2 4
6
8
10 12 14 16 18 20 22 24
Pressure Drop (PSID)
Flow Rate-GPM
Tests conducted with units in vertical position (lead wires up)
with water at 70°F (21°C)
Part No. FSW501
Part No. FSW506
Pressure Drop-Typical
THREADED PLASTIC PIPING
FSW500 Series
Starts at
$
71
⻬ Flow Switch
Setpoints: 0.25
to 5.0 GPM
3
⻬
⁄4 NPT Ports
⻬ Non-Adjustable
Setpoint
FSW501, $71,
shown larger
than actual size.
The FSW500 offers low-cost flow
monitoring with a variety of switch
actuation points and low pressure
drop. With their polypropylene or
stainless steel wetted parts, these
switches are suitable for a wide
range of chemical and temperature
requirements. The FSW500 is ideal
for cooling of equipment such as
welders and lasers. A J-box version
with a 5 A relay is also available.
SPECIFICATIONS
Wetted Materials
Housing, Bonnet, Shuttle,
Shuttle Cap: Polypropylene,
hydrolytically stable
O-Ring: FKM
Spring: 316 SS
Retaining Clip: PH 15-7 Mo SS
Operating Pressure, Maximum:
100 psig @ 21°C (70°F)
50 psig @ 82°C (180°F)
Operating Temperature, Maximum:
100°C (212°F)
Setpoint Accuracy: ±20%
Setpoint Differential: ±20% max
Switch: SPST, NO pilot duty 20 VA,
120 to 240 Vac or Vdc
J-Box with 5 A Relay: 120 Vac,
50/60 Hz
Contacts: 5 A to 240 Vac resistive
1
⁄3 hp to 120 Vac, 5 A to 28 Vdc resistive
Inlet/Outlet Ports:
Electric Termination Pilot: 22 AWG,
0.6 mm (2") zip cord lead wires
J-Box: 1.8 mm (6') cable
3
⁄4 FNPT
Dimensions: mm (in)
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
Switch Actuation
Model No. Price Setpoint (GPM) Description
FSW501 $71 0.25 Pilot duty 20 VA switch
FSW502 71 0.50 Pilot duty 20 VA switch
FSW503 71 1.00 Pilot duty 20 VA switch
FSW504 71 2.00 Pilot duty 20 VA switch
FSW505 71 2.50 Pilot duty 20 VA switch
FSW506 71 5.00 Pilot duty 20 VA switch
FSW511 174 0.25 J-box with 5 A relay
FSW512 174 0.50 J-box with 5 A relay
Ordering Examples: FSW501, 20 VA switch, $71. FSW511, J-box with 5 A relay, $174.
B-71
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
EPG05
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