Float Switches

A float switch is a level sensor used to detect the level of liquid usually in a tank, container or well. The flotation part of the device sits on top of the liquid and will switch on the rise and fall of the liquid. Float switches are used for automatic level control of groundwater, wastewater and sewage pumps, for raw water and liquid transfer pumps at waterworks, and for high water alarm.RS Components offer a wide range of high-quality horizontal and vertical devices from leading brands including Cynergy3, Pepperl + Fuchs, Gems Sensors, Telemecanique and of course RS PRO

What does a float switch consist of?

Float switches have a reed switch and a pivoted magnet and can be used for normally open (N/O) or normally closed (N/C) operation. The switch action can be reversed rotating the switch through 180°. The movement of the float, due to changing fluid level, will cause the reed change to work (for instance close or open) at a specific level. This trusted and tried technology depends on a generally straightforward plan that offers long-haul quality without the requirement for the user to calibrate a switch.

What are material types of a float switch?

Nylon – used for oils, diesel, organic chemicals.Polypropylene (PP) – acids and alkali, detergents, oils, water, organic chemicals.Polyphenylene sulphide (PPS) – used for more aggressive chemicals, and higher temperatures, up to 120ºC.Stainless steel – medical and food industries, hydraulic fluids, chemicals.

Features and Benefits

The highly flexible thermoplastic rubber cable has an extremely high mechanical load rating.The drop shape of the stabilizing weight eccentrically mounted in the housing makes the float switch insensitive to turbulence.The microswitch, fitted in a dual-chamber system, is completely shock- and rupture-proofAvailable with WRAS approvals.

What applications can be float switches used?

When emptying a tankWhen filling a tankFor alarm at high water levelFor alarm at low water level


...
Read more Read less

Filters

Viewing 501 - 514 of 514 products
Results per page
Description Price Device Type For Use With Mounting Type Switch Output Body Material Cable Length Minimum Operating Temperature Maximum Operating Temperature Maximum AC Voltage Maximum DC Voltage Maximum Current Maximum Pressure Gasket Material Current Rating
RS Stock No. 780-0248
Mfr. Part No.SSF67A50A150PM12
BrandCynergy3
MYR1,164.89
Each
units
Float - Vertical 2NO Stainless Steel - -20°C +135°C - - 600 mA 10bar Nitrile -
RS Stock No. 122-8389
Mfr. Part No.165570
MYR290.59
Each
units
Float - Horizontal SPST NO/NC Nylon 24in -40°C +121.1°C - - - 6.8bar Buna N -
RS Stock No. 191-9491
BrandRS PRO
MYR638.27
Each
units
Float - External NC High Density Polyethylene 5m 0°C +55°C 250V 110V 10 A 10bar - 10 A
RS Stock No. 780-0217
Mfr. Part No.SSF67A25B75PM12
BrandCynergy3
MYR1,070.14
Each
units
Float - Vertical NO/NC Stainless Steel - -20°C +135°C - - 600 mA 10bar Nitrile -
RS Stock No. 174-8426
BrandRS PRO
MYR69.35
Each
units
Float - Horizontal External SPNO Nylon - -20°C +75°C 240V 120V 600 mA - - 0.6 A
RS Stock No. 194-6340
Mfr. Part No.S36DA/F84
MYR3,878.82
Each
units
Float Level Switch Liquid Level Alarm and Pump Control Side Mount SPST Aluminium Alloy - - +210°C 440V 240V 5 A 33.8bar Non-Asbestos Sheet 5 A
RS Stock No. 756-4227
Mfr. Part No.RSF66A25B75P
BrandCynergy3
MYR236.13
Each
units
Float - Vertical NO/NC Polyphenylene Sulfide - -10°C +85°C - - 600 mA - Nitrile -
RS Stock No. 174-8404
Mfr. Part No.LLF76YNP
BrandCynergy3
MYR130.87
Each
units
Float - Horizontal External SPNO Polyphenylene Sulphide - -10°C +120°C 240V 120V 600 mA - Nitrile 0.6 A
RS Stock No. 174-8385
Mfr. Part No.LLF74H100RN
BrandCynergy3
MYR146.81
Each
units
Float - Horizontal External SPNO Polypropylene 1m -20°C +100°C 300V 300V 1 A - Nitrile 1 A
RS Stock No. 122-8423
Mfr. Part No.118126
MYR531.60
Each
units
Float - Horizontal SPST NO Stainless Steel 24in -40°C +82 (Water) °C, +149 (Oil) °C 240V - 60 mA dc, 80 mA ac 300psi - -
RS Stock No. 869-7589
Mfr. Part No.RSF74YNP
BrandCynergy3
MYR99.52
Each
units
Float - Horizontal NO/NC Polypropylene - -20°C +100°C 240V 120V 600 mA - Nitrile -
RS Stock No. 174-8403
Mfr. Part No.LLF76HNP
BrandCynergy3
MYR175.48
Each
units
Float - Horizontal External SPNO Polyphenylene Sulphide - -10°C +120°C 300V 300V 1 A - Nitrile 1 A
RS Stock No. 869-7731
Mfr. Part No.LM10CW
BrandCynergy3
MYR855.61
Each
units
Float - Cable SPDT Polypropylene 5m 0°C +55°C 250V 110V 10 A 10bar - -
RS Stock No. 124-2553
Mfr. Part No.TSSF212Y100/RS
BrandCynergy3
MYR470.09
Each
units
Float - Horizontal NO/NC Stainless Steel 304 (Stem), Stainless Steel 316 (Float) 1m -20°C +120°C 240V 120V 600 mA 10bar - -