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. 312-7164
FabrikantRS PRO
€ 72,71
Each
Aantal stuks
Float - Vertical Direct Load Stainless Steel 300mm -10°C +120°C 300V 300V 500 mA 10bar - -
RS-stocknr. 519-242
FabrikantRS PRO
€ 5,94
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 140V 200V 1 A - - -
RS-stocknr. 762-1036
FabrikantRS PRO
€ 38,81
Each
Aantal stuks
Float - Vertical NO/NC Stainless Steel 300mm -40°C +125°C 250V 200V 2 A - - -
RS-stocknr. 519-236
FabrikantRS PRO
€ 6,24
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 140V 200V 700 mA - - -
RS-stocknr. 519-232
FabrikantRS PRO
€ 7,27
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 250V 200V 700 mA - - -
RS-stocknr. 519-258
FabrikantRS PRO
€ 7,27
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 250V 200V 700 mA - - -
RS-stocknr. 519-248
FabrikantRS PRO
€ 6,51
Each
Aantal stuks
Float - Vertical Direct Load PP 300mm -20°C +80°C 130V 180V 700 mA - - -
RS-stocknr. 762-1039
FabrikantRS PRO
€ 44,79
Each
Aantal stuks
Float - Horizontal NO Stainless Steel 300mm -40°C +125°C 250V 200V 500 mA 10bar Silicone -
RS-stocknr. 191-9512
FabrikantRS PRO
€ 97,83
Each
Aantal stuks
Float - External, Horizontal NO/NC 304 Stainless Steel (Stem), 316 Stainless Steel (Float) - - +120°C 300V 300V 500 mA 5bar - 500 mA
RS-stocknr. 191-9484
FabrikantRS PRO
€ 14,94
Each
Aantal stuks
Float - External NO/NC Polypropylene 1m -10°C +120°C 240V 120V 600 mA - Nitrile 600 mA
RS-stocknr. 174-8423
FabrikantRS PRO
€ 15,59
Each
Aantal stuks
Float - Horizontal Internal SPNO Polypropylene - -20°C +100°C 240V 120V 600 mA - Nitrile 0.6 A
RS-stocknr. 191-9465
FabrikantRS PRO
€ 36,32
Each
Aantal stuks
Float - Vertical NO/NC Buna (Float), Polyphenylene Sulphide (Stem) 1m -20°C +75°C 240V 120V 600 mA - Nitrile 600 mA
RS-stocknr. 174-8417
FabrikantRS PRO
€ 16,13
Each
Aantal stuks
Float - Vertical Internal NO/NC Polypropylene 1m -20°C +100°C 240V 120V 600 mA - - 0.6 A
RS-stocknr. 191-9513
FabrikantRS PRO
€ 151,01
Each
Aantal stuks
Float - Internal NO/NC Stainless Steel 1m - +135°C 250V 120V 600 mA 10bar - 600 mA
RS-stocknr. 191-9485
FabrikantRS PRO
€ 15,21
Each
Aantal stuks
Float - External NO/NC Polypropylene 1m -20°C +100°C 240V 120V 600 mA - Silicone 600 mA
RS-stocknr. 191-9478
FabrikantRS PRO
€ 16,26
Each
Aantal stuks
Float - Threaded NO/NC Polyphenylene Sulphide 1m -10°C +120°C 240V 120V 600 mA - Nitrile 600 mA
RS-stocknr. 191-9511
FabrikantRS PRO
€ 15,72
Each
Aantal stuks
Float - Horizontal NO/NC Polyphenylene Sulphide - -10°C +120°C 240V 120V 600 mA - - 600 mA
RS-stocknr. 191-9474
FabrikantRS PRO
€ 15,64
Each
Aantal stuks
Float - Horizontal NO/NC Polyphenylene Sulphide - -10°C +120°C 240V 120V 600 mA - Nitrile 600 mA
RS-stocknr. 191-9476
FabrikantRS PRO
€ 13,60
Each
Aantal stuks
Float - Threaded NO/NC Nylon 1m -20°C +75°C 240V 120V 600 mA - Nitrile 600 mA
RS-stocknr. 191-9497
FabrikantRS PRO
€ 15,29
Each
Aantal stuks
Float - External, Vertical NO/NC Polypropylene 1m -20°C +100°C 240V 120V 600 mA - Nitrile 600 mA