Float Switches

Float switches regulate the liquid level in tanks, wells, etc. and 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.


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 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-proof

Where can be float switches used?


  • when emptying a tank

  • when filling a tank

  • for alarm at high water level

  • for alarm at low water level

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Omschrijving Prijs 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-stocknr. 454-9105
FabrikantnummerSSF212XPL
FabrikantCynergy3
67,17 €
Each
Aantal stuks
Float - Horizontal NO/NC Stainless Steel - - +120°C - - 500 mA 5bar - -
RS-stocknr. 756-4245
FabrikantnummerRSF66A50A100P
FabrikantCynergy3
49,00 €
Each
Aantal stuks
Float - Vertical 2NO Polyphenylene Sulfide - -10°C +85°C - - 600 mA - Nitrile -
RS-stocknr. 211-985
FabrikantnummerRSF64EXS
FabrikantCynergy3
55,57 €
Each
Aantal stuks
Float - Vertical Direct Load Polyphenylene Sulfide 1.5m 0°C +75°C - - 600 mA - - -
RS-stocknr. 339-5238
FabrikantnummerLFL2-CK-U-PVC5
FabrikantPepperl + Fuchs
64,00 €
Each
Aantal stuks
Float - Horizontal Direct Load Polypropylene 5m +5°C +70°C - - 1 A dc, 3 A ac 3bar - -
RS-stocknr. 331-017
FabrikantnummerRSF53Y100JC
FabrikantCynergy3
15,94 €
Each
Aantal stuks
Float - Vertical NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
RS-stocknr. 431-8406
FabrikantnummerSSF212X100
FabrikantCynergy3
77,43 €
Each
Aantal stuks
Float - Horizontal NO/NC Stainless Steel 1m - +120°C - - 500 mA 5bar - -
RS-stocknr. 519-232
FabrikantRS PRO
7,06 €
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 250V 200V 700 mA - - -
RS-stocknr. 519-236
FabrikantRS PRO
6,06 €
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 140V 200V 700 mA - - -
RS-stocknr. 348-8021
FabrikantnummerRSF66A25B175
FabrikantCynergy3
45,12 €
Each
Aantal stuks
Float - Vertical Direct Load Polyphenylene Sulfide 1m -10°C +85°C - - 600 mA - Nitrile -
RS-stocknr. 780-0223
FabrikantnummerSSF67A25B150PM12
FabrikantCynergy3
197,97 €
Each
Aantal stuks
Float - Vertical NO/NC Stainless Steel - -20°C +135°C - - 600 mA 10bar Nitrile -
RS-stocknr. 756-4242
FabrikantnummerRSF66A25B175P
FabrikantCynergy3
43,48 €
Each
Aantal stuks
Float - Vertical NO/NC Polyphenylene Sulfide - -10°C +85°C - - 600 mA - Nitrile -
RS-stocknr. 869-7595
FabrikantnummerRSF83YP
FabrikantCynergy3
15,84 €
Each
Aantal stuks
Float - Horizontal NO/NC Nylon - -20°C +75°C 240V 120V 600 mA - - -
RS-stocknr. 762-1036
FabrikantRS PRO
37,68 €
Each
Aantal stuks
Float - Vertical NO/NC Stainless Steel 300mm -40°C +125°C 250V 200V 2 A - - -
RS-stocknr. 339-730
FabrikantnummerRSF43Y050QF
FabrikantCynergy3
14,54 €
Each
Aantal stuks
Float - Horizontal Internal NO/NC Nylon 500mm -20°C +75°C - - 600 mA - Nitrile -
RS-stocknr. 395-7072
Fabrikantnummer010-3457
FabrikantGems Sensors
98,00 €
Each
Aantal stuks
Float - Horizontal, Vertical Relay Stainless Steel 1m -40°C +150°C - - - 30bar - -
RS-stocknr. 725-9852
FabrikantnummerRSF83Y100R
FabrikantCynergy3
14,82 €
Each
Aantal stuks
Float - Horizontal External NO/NC Nylon 1m -20°C +75°C - - 600 mA - - -
RS-stocknr. 845-976
FabrikantnummerRSF44Y050QF
FabrikantCynergy3
17,52 €
Each
Aantal stuks
Float - Horizontal Internal NO/NC Polypropylene 500mm -20°C +100°C - - 600 mA - Nitrile -
RS-stocknr. 519-248
FabrikantRS PRO
6,32 €
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 130V 180V 700 mA - - -
RS-stocknr. 395-7066
Fabrikantnummer011-1750
FabrikantGems Sensors
95,00 €
Each
Aantal stuks
Float - Horizontal, Vertical Relay Stainless Steel 1m -40°C +150°C - - - 20bar - -
RS-stocknr. 519-242
FabrikantRS PRO
5,77 €
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 140V 200V 1 A - - -
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