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. 756-4172
FabrikantnummerSSV66A141S1GP
FabrikantCynergy3
€ 115,58
Each
Aantal stuks
Float - Vertical NO/NC Stainless Steel 1m - - - - 500 mA 30bar - -
RS-stocknr. 519-258
FabrikantRS PRO
€ 7,06
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 250V 200V 700 mA - - -
RS-stocknr. 228-1986
FabrikantnummerRSF33W100RC
FabrikantCynergy3
€ 21,86
Each
Aantal stuks
Float - Horizontal NO/NC Nylon 1m -20°C +75°C - - 5 A - Nitrile -
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
RS-stocknr. 338-9801
FabrikantnummerMS20A
FabrikantCynergy3
€ 37,41
Each
Aantal stuks
Float - - Direct Load PE 5m 0°C +55°C - - 2 A dc, 8 A ac 10bar - -
RS-stocknr. 492-8918
FabrikantnummerSSF67A25B100
FabrikantCynergy3
€ 197,38
Each
Aantal stuks
Float - Vertical Direct Load Stainless Steel - -20°C +135°C - - 600 mA 10bar Nitrile -
RS-stocknr. 492-8946
FabrikantnummerSSF67A25B175
FabrikantCynergy3
€ 183,03
Each
Aantal stuks
Float - Vertical Direct Load Stainless Steel - -20°C +135°C - - 600 mA 10bar Nitrile -
RS-stocknr. 725-9874
FabrikantnummerRSF53H100R1/8
FabrikantCynergy3
€ 21,57
Each
Aantal stuks
Float - Vertical NO/NC Nylon 1m -20°C +75°C - - 1 A - Nitrile -
RS-stocknr. 288-9338
FabrikantnummerRSF16Y050TG
FabrikantCynergy3
€ 25,70
Each
Aantal stuks
Float - Direct Mounting NO/NC Polyphenylene Sulfide 500mm -20°C +120°C - - 600 mA - Silicone, Viton -
RS-stocknr. 350-2082
FabrikantnummerLFL2-BK-U-PUR5
FabrikantPepperl + Fuchs
€ 72,00
Each
Aantal stuks
Float - Horizontal Direct Load Polypropylene 5m -20°C +85°C - - 1 A dc, 3 A ac 2bar - -
RS-stocknr. 338-9750
FabrikantnummerRSF76Y100RV
FabrikantCynergy3
€ 23,58
Each
Aantal stuks
Float - Horizontal External NO/NC Polyphenylene Sulfide 1m -10°C +105°C - - 600 mA - Viton -
RS-stocknr. 845-998
FabrikantnummerRSF54V100MC
FabrikantCynergy3
€ 21,90
Each
Aantal stuks
Float - Vertical NO/NC Polypropylene 1m -20°C +100°C - - 600 mA - Nitrile -
RS-stocknr. 122-8423
Fabrikantnummer118126
FabrikantGems Sensors
€ 102,95
Each
Aantal stuks
Float - Horizontal SPST NO Stainless Steel 24in -40°C +82 (Water) °C, +149 (Oil) °C 240V - 60 mA dc, 80 mA ac 300psi - -
RS-stocknr. 725-9925
FabrikantnummerSSH66XE34NP
FabrikantCynergy3
€ 169,67
Each
Aantal stuks
Float - Horizontal NO/NC Stainless Steel 1m 0°C +120°C - - 500 mA 10bar - -
RS-stocknr. 756-4261
FabrikantnummerRSF53Y100J1/8
FabrikantCynergy3
€ 16,83
Each
Aantal stuks
Float - Vertical NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
RS-stocknr. 454-9082
FabrikantnummerLM10C
FabrikantCynergy3
€ 102,86
Each
Aantal stuks
Float - - Direct Load PE 5m 0°C +55°C - - 1 A dc, 4 A ac 10bar - -
RS-stocknr. 350-2060
FabrikantnummerLFL2-CK-U-PUR5
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. 395-7151
Fabrikantnummer187580
FabrikantGems Sensors
€ 58,30
Each
Aantal stuks
Float - Horizontal, Vertical Direct Load Polysulfone - -17.8°C +80°C - - 40 mA 150psi - -
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. 756-4185
FabrikantnummerSSF67A25B225
FabrikantCynergy3
€ 216,79
Each
Aantal stuks
Float - Vertical NO/NC Stainless Steel 1m -20°C +135°C - - 600 mA 10bar Nitrile -
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