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庫存編號 124-0140
製造零件編號LV42-7201
BrandFlowline
HK$2,202.82
單位
Float Level Switch - Vertical SPDT PP 20ft -20°C +80°C 250V - - 2bar - 10 A
RS庫存編號 756-4211
製造零件編號RSF104Y100JN
BrandCynergy3
HK$164.25
單位
Float - Vertical NO/NC Polypropylene - -20°C +100°C - - 600 mA - Nitrile -
RS庫存編號 191-9496
BrandRS PRO
HK$132.13
單位
Float - External, Vertical NO/NC Nylon - -20°C +75°C 240V 120V 600 mA - Nitrile 600 mA
RS庫存編號 191-9506
BrandRS PRO
HK$338.85
單位
Float - Internal - Polyphenylene Sulphide - -10°C +85°C 240V 120V 600 mA - Nitrile 600 mA
RS庫存編號 191-9502
BrandRS PRO
HK$155.58
單位
Float - Vertical NO/NC Polyphenylene Sulphide - -10°C +120°C 240V 120V 600 mA - Nitrile 600 mA
RS庫存編號 780-0232
製造零件編號SSF67A25B250PM12
BrandCynergy3
HK$1,783.47
單位
Float - Vertical NO/NC Stainless Steel - -20°C +135°C - - 600 mA 10bar Nitrile -
RS庫存編號 191-9497
BrandRS PRO
HK$150.21
單位
Float - External, Vertical NO/NC Polypropylene 1m -20°C +100°C 240V 120V 600 mA - Nitrile 600 mA
RS庫存編號 725-9855
製造零件編號RSF76H050TV
BrandCynergy3
HK$245.26
單位
Float - Horizontal External NO/NC Polyphenylene Sulfide 1m -10°C +120°C - - 600 mA - Nitrile -
RS庫存編號 124-2556
製造零件編號SSF50X100X-C/RS
BrandCynergy3
HK$1,501.05
單位
Float - Flange Mount NO/NC Stainless Steel 304 (Stem), Stainless Steel 316 (Float) 1m - +80°C 240V 200V 500 mA 20bar - -
RS庫存編號 780-0129
製造零件編號SH-3052
BrandCynergy3
HK$2,736.68
單位
Float - Horizontal - Aluminium - 0°C +100°C - - 5 A 20bar - -
RS庫存編號 191-9498
BrandRS PRO
HK$140.25
單位
Float - External, Vertical NO/NC Polypropylene - -20°C +100°C 240V 120V 600 mA - Nitrile 600 mA
RS庫存編號 191-9507
BrandRS PRO
HK$348.46
單位
Float - Internal - Polyphenylene Sulphide 1m -10°C +85°C 240V 120V 600 mA - Nitrile 600 mA
RS庫存編號 122-8380
製造零件編號42295
HK$437.96
單位
Float - Vertical SPST NO Polysulfone 24in -40°C +107°C - - - 3bar - -
RS庫存編號 194-6339
製造零件編號S01DB/F84
HK$4,450.16
單位
Float Level Switch Liquid Level Alarm and Pump Control Side Mount SPST Aluminium Bronze - - +210°C 440V 240V 5 A 18bar Non-Asbestos Sheet 5 A
RS庫存編號 869-7520
製造零件編號RSF103Y100JN
BrandCynergy3
HK$174.92
單位
Float - Vertical NO/NC Nylon 1m -20°C +75°C 240V 120V 600 mA - Nitrile -
RS庫存編號 124-2557
製造零件編號RSF104Y100JN/RS
BrandCynergy3
HK$164.25
單位
Float - Vertical NO/NC Polypropylene 1m -20°C +100°C 240V 120V 600 mA - Nitrile -
RS庫存編號 780-0131
製造零件編號SH-3151
BrandCynergy3
HK$3,563.52
單位
Float - Horizontal - Aluminium - 0°C +100°C - - 5 A 25bar - -
RS庫存編號 191-9471
BrandRS PRO
HK$164.96
單位
Float - Vertical NO/NC Polyphenylene Sulphide 1m -10°C +120°C 240V 120V 600 mA - Nitrile 600 mA
RS庫存編號 725-9896
製造零件編號RSF56H100RC
BrandCynergy3
HK$225.26
單位
Float - Vertical NO/NC Polyphenylene Sulfide 1m -10°C +120°C - - 1 A - Nitrile -
RS庫存編號 174-8420
BrandRS PRO
HK$138.64
單位
Float - Horizontal External SPNO Polypropylene 1m -20°C +100°C 240V 120V 600 mA - Nitrile 0.6 A