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. 869-7595
FabrikantnummerRSF83YP
FabrikantCynergy3
€ 15,84
Each
Aantal stuks
Float - Horizontal NO/NC Nylon - -20°C +75°C 240V 120V 600 mA - - -
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. 446-2597
FabrikantnummerRSF66B50B150
FabrikantCynergy3
€ 49,82
Each
Aantal stuks
Float - Vertical Direct Load Polyphenylene Sulfide 1m -10°C +85°C - - 600 mA - Nitrile -
RS-stocknr. 312-7164
FabrikantRS PRO
€ 70,59
Each
Aantal stuks
Float - Vertical Direct Load Stainless Steel 300mm -10°C +120°C 300V 300V 500 mA 10bar - -
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. 348-7983
FabrikantnummerRSF66A25B75
FabrikantCynergy3
€ 44,68
Each
Aantal stuks
Float - Vertical Direct Load Polyphenylene Sulfide 1m -10°C +85°C - - 600 mA - Nitrile -
RS-stocknr. 454-9105
FabrikantnummerSSF212XPL
FabrikantCynergy3
€ 101,48
Each
Aantal stuks
Float - Horizontal NO/NC Stainless Steel - - +120°C - - 500 mA 5bar - -
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. 725-9852
FabrikantnummerRSF83Y100R
FabrikantCynergy3
€ 14,82
Each
Aantal stuks
Float - Horizontal External NO/NC Nylon 1m -20°C +75°C - - 600 mA - - -
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 - - -
RS-stocknr. 350-2076
FabrikantnummerLFL2-CK-U-CSM5
FabrikantPepperl + Fuchs
€ 64,00
Each
Aantal stuks
Float - Horizontal Direct Load Polypropylene 5m -20°C +90°C - - 1 A dc, 3 A ac 3bar - -
RS-stocknr. 889-1267
FabrikantnummerLV20-1201
FabrikantFlowline
€ 26,45
Each
Aantal stuks
Float Level Switch - Vertical NO/NC Polypropylene 600mm -40°C +80°C 120V 120V 10 A 10psi - -
RS-stocknr. 228-1992
FabrikantnummerRSF34W100RF
FabrikantCynergy3
€ 22,68
Each
Aantal stuks
Float - Horizontal NO/NC Polypropylene 1m -20°C +100°C - - 5 A - Nitrile -
RS-stocknr. 756-4166
FabrikantnummerSSV66A100E1GP
FabrikantCynergy3
€ 105,29
Each
Aantal stuks
Float - Vertical NO/NC Stainless Steel - - - - - 500 mA 20bar - -
RS-stocknr. 725-9959
FabrikantnummerLLF53Y100JC004
FabrikantCynergy3
€ 33,19
Each
Aantal stuks
Float - - NC - - - - - - - - - -
RS-stocknr. 124-2582
FabrikantnummerRSF77YVP/RS
FabrikantCynergy3
€ 35,30
Each
Aantal stuks
Float - Horizontal NO/NC Polyvinylidene Fluoride - -10°C +105°C 240V 120V 600 mA - Viton -
RS-stocknr. 395-7044
Fabrikantnummer011-1700
FabrikantGems Sensors
€ 50,00
Each
Aantal stuks
Float - Horizontal, Vertical Relay Brass/NBR 1m -40°C +80°C - - - 10bar - -
RS-stocknr. 431-8399
FabrikantnummerSSF211X100
FabrikantCynergy3
€ 81,85
Each
Aantal stuks
Float - Horizontal NO/NC Stainless Steel 1m - +120°C - - 500 mA 5bar - -
RS-stocknr. 845-960
FabrikantnummerRSF54Y100JC
FabrikantCynergy3
€ 18,29
Each
Aantal stuks
Float - Vertical NO/NC Polypropylene 1m -20°C +100°C - - 600 mA - Nitrile -
RS-stocknr. 725-9906
FabrikantnummerSSF22X100
FabrikantCynergy3
€ 78,13
Each
Aantal stuks
Float - Vertical NO/NC Stainless Steel 1m -20°C +120°C - - 700 mA 30bar - -
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