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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Description Price 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 Stock No. 756-4166
Mfr. Part No.SSV66A100E1GP
BrandCynergy3
kr 1 049,62
Each
Units
Float - Vertical NO/NC Stainless Steel - - - - - 500 mA 20bar - -
RS Stock No. 348-8021
Mfr. Part No.RSF66A25B175
BrandCynergy3
kr 449,85
Each
Units
Float - Vertical Direct Load Polyphenylene Sulfide 1m -10°C +85°C - - 600 mA - Nitrile -
RS Stock No. 762-1036
BrandRS PRO
kr 375,61
Each
Units
Float - Vertical NO/NC Stainless Steel 300mm -40°C +125°C 250V 200V 2 A - - -
RS Stock No. 350-2060
Mfr. Part No.LFL2-CK-U-PUR5
kr 690,00
Each
Units
Float - Horizontal Direct Load Polypropylene 5m +5°C +70°C - - 1 A dc, 3 A ac 3bar - -
RS Stock No. 762-1039
BrandRS PRO
kr 433,53
Each
Units
Float - Horizontal NO/NC Stainless Steel 300mm -40°C +125°C 250V 200V 500 mA 10bar Silicone -
RS Stock No. 350-2098
Mfr. Part No.LFL2-BK-U-CSM5
kr 776,00
Each
Units
Float - Horizontal Direct Load Polypropylene 5m -20°C +90°C - - 1 A dc, 3 A ac 2bar - -
RS Stock No. 339-5238
Mfr. Part No.LFL2-CK-U-PVC5
kr 690,00
Each
Units
Float - Horizontal Direct Load Polypropylene 5m +5°C +70°C - - 1 A dc, 3 A ac 3bar - -
RS Stock No. 725-9903
Mfr. Part No.SSV66A24E34N183
BrandCynergy3
kr 1 148,92
Each
Units
Float - Vertical NO/NC Stainless Steel 1m 0°C +120°C - - 500 mA 10bar - -
RS Stock No. 395-9343
Mfr. Part No.011-1950
kr 1 005,97
Each
Units
Float - Vertical Relay Stainless Steel 1m -40°C +150°C - - - 30bar - -
RS Stock No. 339-5200
Mfr. Part No.LFL1-CK-N-PVC5
kr 653,33
Each
Units
Float - Horizontal NAMUR Polypropylene 5m -20°C +70°C - - 2.2 mA 3bar - -
RS Stock No. 431-8399
Mfr. Part No.SSF211X100
BrandCynergy3
kr 816,02
Each
Units
Float - Horizontal NO/NC Stainless Steel 1m - +120°C - - 500 mA 5bar - -
RS Stock No. 350-2082
Mfr. Part No.LFL2-BK-U-PUR5
kr 776,00
Each
Units
Float - Horizontal Direct Load Polypropylene 5m -20°C +85°C - - 1 A dc, 3 A ac 2bar - -
RS Stock No. 454-9105
Mfr. Part No.SSF212XPL
BrandCynergy3
kr 1 103,74
Each
Units
Float - Horizontal NO/NC Stainless Steel - - +120°C - - 500 mA 5bar - -
RS Stock No. 339-730
Mfr. Part No.RSF43Y050QF
BrandCynergy3
kr 144,99
Each
Units
Float - Horizontal Internal NO/NC Nylon 500mm -20°C +75°C - - 600 mA - Nitrile -
RS Stock No. 289-1319
Mfr. Part No.RSF46Y050TG
BrandCynergy3
kr 213,89
Each
Units
Float - Horizontal Internal NO/NC Polyphenylene Sulfide 500mm -10°C +120°C - - 600 mA - Viton -
RS Stock No. 519-232
BrandRS PRO
kr 70,34
Each
Units
Float - Vertical Direct Load PP 300mm -20°C +80°C 250V 200V 700 mA - - -
RS Stock No. 756-4157
Mfr. Part No.SSV66A84E34NP
BrandCynergy3
kr 1 411,48
Each
Units
Float - Vertical NO/NC Stainless Steel 1m - - - - 500 mA 30bar - -
RS Stock No. 331-017
Mfr. Part No.RSF53Y100JC
BrandCynergy3
kr 158,95
Each
Units
Float - Vertical NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
RS Stock No. 446-2575
Mfr. Part No.RSF66A50A150
BrandCynergy3
kr 496,68
Each
Units
Float - Vertical Direct Load Polyphenylene Sulfide 1m -10°C +85°C - - 600 mA - Nitrile -
RS Stock No. 348-8015
Mfr. Part No.RSF66A25B150
BrandCynergy3
kr 468,03
Each
Units
Float - Vertical Direct Load Polyphenylene Sulfide - -10°C +85°C - - 600 mA - Nitrile -
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