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. 725-9842
FabrikantnummerRSF73H100RN
FabrikantCynergy3
€ 21,23
Each
Aantal stuks
Float - Horizontal External NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
RS-stocknr. 869-7573
FabrikantnummerRSF46YFP
FabrikantCynergy3
€ 21,43
Each
Aantal stuks
Float - Horizontal NO/NC Polyphenylene Sulfide - -10°C +120°C 240V 120V 600 mA - Nitrile -
RS-stocknr. 350-2098
FabrikantnummerLFL2-BK-U-CSM5
FabrikantPepperl + Fuchs
€ 68,70
Each
Aantal stuks
Float - Horizontal Direct Load Polypropylene 5m -20°C +90°C - - 1 A dc, 3 A ac 2bar - -
RS-stocknr. 395-7072
Fabrikantnummer010-3457
FabrikantGems Sensors
€ 98,16
Each
Aantal stuks
Float - Horizontal, Vertical Relay Stainless Steel 1m -40°C +150°C - - - 30bar - -
RS-stocknr. 122-8415
Fabrikantnummer160405
FabrikantGems Sensors
€ 164,80
Each
Aantal stuks
Float - Vertical SPST NC Aluminium 24in -40°C +82 (Water) °C, +121 (Oil) °C - - - 250psi - -
RS-stocknr. 122-8411
Fabrikantnummer149350
FabrikantGems Sensors
€ 129,10
Each
Aantal stuks
Float - Vertical SPST NC Brass 25ft -40°C +82 (Water) °C, +110 (Oil) °C - - - 150psi - -
RS-stocknr. 725-9956
FabrikantnummerLLF59Y100JC
FabrikantCynergy3
€ 34,06
Each
Aantal stuks
Float - - NO - - - - - - - - - -
RS-stocknr. 906-9522
FabrikantnummerCFS2-DNBPN-20
€ 27,64
Each
Aantal stuks
Float Switch - Cable SPDT Polypropylene 240.2in 0°C +50°C 250V - - 1bar - 10 A
RS-stocknr. 395-7050
Fabrikantnummer011-1900
FabrikantGems Sensors
€ 78,00
Each
Aantal stuks
Float - Horizontal, Vertical Relay Brass/NBR 1m -40°C +80°C - - - 10bar - -
RS-stocknr. 339-5244
FabrikantnummerLFL2-BK-U-PVC5
FabrikantPepperl + Fuchs
€ 72,00
Each
Aantal stuks
Float - Horizontal Direct Load Polypropylene 5m -20°C +70°C - - 1 A dc, 3 A ac 2bar - -
RS-stocknr. 756-4144
FabrikantnummerSSF217XPM12
FabrikantCynergy3
€ 128,69
Each
Aantal stuks
Float - Horizontal NO/NC Stainless Steel - - +120°C - - 500 mA 5bar - -
RS-stocknr. 338-9817
FabrikantnummerFFS10AU
FabrikantCynergy3
€ 89,28
Each
Aantal stuks
Float - - Direct Load PE 5m 0°C +55°C - - 1 A dc, 4 A ac 10bar - -
RS-stocknr. 348-8015
FabrikantnummerRSF66A25B150
FabrikantCynergy3
€ 46,95
Each
Aantal stuks
Float - Vertical Direct Load Polyphenylene Sulfide - -10°C +85°C - - 600 mA - Nitrile -
RS-stocknr. 869-7567
FabrikantnummerRSF158YFP
FabrikantCynergy3
€ 19,67
Each
Aantal stuks
Float - Vertical NO/NC Polypropylene - -20°C +100°C 240V 120V 600 mA - Nitrile -
RS-stocknr. 756-4292
FabrikantnummerSSF212X100H
FabrikantCynergy3
€ 125,84
Each
Aantal stuks
Float - Horizontal NO/NC Stainless Steel 1m -20°C +180°C - - 500 mA 5bar - -
RS-stocknr. 454-9098
FabrikantnummerLM10B
FabrikantCynergy3
€ 95,21
Each
Aantal stuks
Float - - Direct Load PE 5m 0°C +55°C - - 1 A dc, 4 A ac 10bar - -
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. 725-9896
FabrikantnummerRSF56H100RC
FabrikantCynergy3
€ 25,70
Each
Aantal stuks
Float - Vertical NO/NC Polyphenylene Sulfide 1m -10°C +120°C - - 1 A - Nitrile -
RS-stocknr. 338-9716
FabrikantnummerRSF46Y100RG
FabrikantCynergy3
€ 23,05
Each
Aantal stuks
Float - Horizontal Internal NO/NC Polyphenylene Sulfide 1m -10°C +120°C - - 600 mA - Silicone, Viton -
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 -
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