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. 361-1849
FabrikantnummerFFSMC10CU
FabrikantCynergy3
€ 184,75
Each
Aantal stuks
Float - - Direct Load PE 5m 0°C +55°C - - 1 A dc, 4 A ac 10bar - -
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. 395-7088
Fabrikantnummer010-3089
FabrikantGems Sensors
€ 107,00
Each
Aantal stuks
Float - Horizontal, Vertical Relay Stainless Steel 1m -40°C +150°C - - - 30bar - -
RS-stocknr. 397-0564
FabrikantnummerRSF84Y100R
FabrikantCynergy3
€ 16,10
Each
Aantal stuks
Float - Horizontal NO/NC Polypropylene 1m -20°C +100°C - - 600 mA - Silicone, Viton -
RS-stocknr. 725-9855
FabrikantnummerRSF76H050TV
FabrikantCynergy3
€ 27,99
Each
Aantal stuks
Float - Horizontal External NO/NC Polyphenylene Sulfide 1m -10°C +120°C - - 600 mA - Nitrile -
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. 338-9722
FabrikantnummerRSF73Y100RN
FabrikantCynergy3
€ 16,71
Each
Aantal stuks
Float - Horizontal External NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
RS-stocknr. 869-7570
FabrikantnummerRSF73YNP
FabrikantCynergy3
€ 18,52
Each
Aantal stuks
Float - Horizontal NO/NC Nylon - -20°C +75°C 240V 120V 600 mA - Nitrile -
RS-stocknr. 395-7139
Fabrikantnummer169556
FabrikantGems Sensors
€ 58,30
Each
Aantal stuks
Float - Horizontal, Vertical Direct Load Polysulfone - -17.8°C +80°C - - 40 mA 150psi - -
RS-stocknr. 124-2587
FabrikantnummerRSF87YP/RS
FabrikantCynergy3
€ 40,65
Each
Aantal stuks
Float - Horizontal NO/NC Polyvinylidene Fluoride - -10°C +105°C 240V 120V 600 mA - - -
RS-stocknr. 338-9700
FabrikantnummerRSF43Y100RF
FabrikantCynergy3
€ 15,93
Each
Aantal stuks
Float - Horizontal Internal NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
RS-stocknr. 725-9833
FabrikantnummerRSF43H100RF
FabrikantCynergy3
€ 20,31
Each
Aantal stuks
Float - Horizontal Internal NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
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. 397-0570
FabrikantnummerRSF86Y100R
FabrikantCynergy3
€ 18,69
Each
Aantal stuks
Float - Horizontal NO/NC Polyphenylene Sulfide 1m -10°C +120°C - - 600 mA - Viton -
RS-stocknr. 122-8384
Fabrikantnummer162745
FabrikantGems Sensors
€ 17,35
Each
Aantal stuks
Float - Vertical SPST NO Nylon 24in -40°C +121°C - - - 10bar - -
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. 869-7558
FabrikantnummerRSF156YFP
FabrikantCynergy3
€ 22,71
Each
Aantal stuks
Float - Vertical NO/NC Polyphenylene Sulfide - -10°C +120°C 240V 120V 600 mA - Nitrile -
RS-stocknr. 869-7602
FabrikantnummerRSF88YP
FabrikantCynergy3
€ 16,89
Each
Aantal stuks
Float - Horizontal NO/NC Polypropylene - -20°C +100°C 240V 120V 600 mA - - -
RS-stocknr. 124-2588
FabrikantnummerRSF87HP/RS
FabrikantCynergy3
€ 38,65
Each
Aantal stuks
Float - Horizontal NO/NC Polyvinylidene Fluoride - -10°C +105°C 300V 300V 1 A - - -
RS-stocknr. 288-9344
FabrikantnummerRSF56Y050TB
FabrikantCynergy3
€ 22,67
Each
Aantal stuks
Float - Vertical NO/NC Polyphenylene Sulfide 500mm -20°C +120°C 240V 120V 600 mA - Silicone, Viton 600 mA
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