FS Series Datasheet by Sensata-Cynergy3

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© 2011 Cynergy3 Components, All Rights Reserved. Specifications are subject to change without prior notice. Cynergy3 Components and the Cynergy3 Components logo are trademarks of Cynergy3 Components Limited.
ISO9001
CERTIFIED
FS Series Flow Switches
Flow detection switches
Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset BH21 7PE
Telephone +44 (0) 1202 897969
Email:sales@cynergy3.com
These flow switches are designed for use
in liquid flow systems at pressures up to
10 bar and temperatures up to 85ºC.
The design is based around a moving
magnet and a fixed reed switch with a low
flow restriction.
The switches are designed to be used in
liquids only and should not be used in
systems with significant amounts of solid
particles.
Mechanical Dimensions
Maximum Operating Pressure 10 bar
Temperature rated to 85ºC
Custom versions can be made for particular applications. Please contact Cynergy3 with your requirements.
15mm and 22mm tube versions
Low flow version available in 15mm tube
WRAS approved for use in cold and hot water up to
85ºC
Technical Specification
Material Acetal Resin
Colour Black
Temp. Range C -20 / +85
F -4 ./ +185 FS15A FS15LF FS22A
Must operate flow rate* litres/min 2.0 0.90 3.75
US Gal/min 0.53 0.24 0.99
Must release flow rate #
Cable 25cm PVC insulated
Electrical Specification
Contact Form N/O with no flow
Switching Power Max VA 25
Switching Voltage AC Max V 240
Switching Voltage DC Max V 120
Switching Current Max A 0.6
All ratings are for resistive load only.
Standard Parts Must operate l/min Must release l/min Approvals
FS15A 2.0 0.3 WRAS
FS15LF 0.90 0.25 WRAS
FS22A 3.75 1.40 WRAS
* The switch will have operated (contacts close) when the flow rate rises above this value.
# The switch will have released (contacts open) when the flow rate falls below this value.
NB Operate and release flow rates only apply when the switch is mounted with the flow direction vertical. The
sensitivity of the switch is reduced when mounted with the flow direction horizontal.
Installation
Flow switches can be mounted with the flow direction horizontal or vertical (upward flow). The cap with cable
connection must always be upwards, as the piston is returned to its released position by gravity.
°
°
litres/min 0.3 0.25 1.40
US Gal/min 0.08 0.07 0.37
All dimensions are in millimeters (inches)
%NVIRONMENTAL
0ART.UMBERING3YSTEM FS22
22mm (0.87")
15mm (0.59")
58mm
(2.28")
56mm
(2.20")
114mm
(4.48")
107mm
FS15
(4.21”)

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