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 756-4258
製造零件編號RSF66B50B100P
BrandCynergy3
HK$429.07
單位
Float - Vertical 2NC Polyphenylene Sulfide - -10°C +85°C - - 600 mA - Nitrile -
RS庫存編號 869-7731
製造零件編號LM10CW
BrandCynergy3
HK$1,453.44
單位
Float - Cable SPDT Polypropylene 5m 0°C +55°C 250V 110V 10 A 10bar - -
RS庫存編號 906-9601
製造零件編號FSW2-ONPN-20
HK$692.69
單位
Float Switch - Vertical SPST NO Polypropylene 240.2in 0°C +50°C 250V - - 2bar - 10 A
RS庫存編號 350-2076
製造零件編號LFL2-CK-U-CSM5
HK$626.80
單位
Float - Horizontal Direct Load Polypropylene 5m -20°C +90°C - - 1 A dc, 3 A ac 3bar - -
RS庫存編號 174-8380
製造零件編號LLF48HFP
BrandCynergy3
HK$237.74
單位
Float - Horizontal Internal SPNO Polypropylene - -20°C +100°C 300V 300V 1 A - Nitrile 1 A
RS庫存編號 906-9607
製造零件編號FSW2-DNPN-30
HK$755.27
單位
Float Switch - Vertical SPDT Polypropylene 359.8in 0°C +50°C 250V - - 2bar - 10 A
RS庫存編號 174-8381
製造零件編號LLF48YFP
BrandCynergy3
HK$187.66
單位
Float - Horizontal Internal SPNO Polypropylene - -20°C +100°C 240V 120V 600 mA - Nitrile 0.6 A
RS庫存編號 492-8918
製造零件編號SSF67A25B100
BrandCynergy3
HK$1,826.62
單位
Float - Vertical Direct Load Stainless Steel - -20°C +135°C - - 600 mA 10bar Nitrile -
RS庫存編號 379-4039
製造零件編號FFSMC10AW
BrandCynergy3
HK$1,369.71
單位
Float - - Direct Load PE 5m 0°C +55°C - - 1 A dc, 4 A ac 10bar - -
RS庫存編號 756-4182
製造零件編號SSF67A25B300
BrandCynergy3
HK$1,933.27
單位
Float - Vertical NO/NC Stainless Steel 1m -20°C +135°C - - 600 mA 10bar Nitrile -
RS庫存編號 350-2082
製造零件編號LFL2-BK-U-PUR5
HK$705.16
單位
Float - Horizontal Direct Load Polypropylene 5m -20°C +85°C - - 1 A dc, 3 A ac 2bar - -
RS庫存編號 756-4267
製造零件編號RSF58H100J1/8
BrandCynergy3
HK$208.44
單位
Float - Vertical NO/NC Polypropylene 1m -20°C +120°C - - 1 A - Nitrile -
RS庫存編號 379-4045
製造零件編號FFSMC10BW
BrandCynergy3
HK$1,369.71
單位
Float - - Direct Load PE 5m 0°C +55°C - - 1 A dc, 4 A ac 10bar - -
RS庫存編號 725-9830
製造零件編號RSF46H050TG
BrandCynergy3
HK$234.75
單位
Float - Horizontal Internal NO/NC Polyphenylene Sulfide 500mm -10°C +120°C - - 600 mA - Nitrile -
RS庫存編號 124-2578
製造零件編號RSF77YNP/RS
BrandCynergy3
HK$332.22
單位
Float - Horizontal NO/NC Polyvinylidene Fluoride - -10°C +105°C 240V 120V 600 mA - Nitrile -
RS庫存編號 492-8946
製造零件編號SSF67A25B175
BrandCynergy3
HK$1,826.62
單位
Float - Vertical Direct Load Stainless Steel - -20°C +135°C - - 600 mA 10bar Nitrile -
RS庫存編號 780-0188
製造零件編號SSF23XPM12
BrandCynergy3
HK$572.98
單位
Float - Vertical NO Stainless Steel - -20°C +120°C - - 500 mA 10bar Nitrile -
RS庫存編號 756-4163
製造零件編號SSH66TU12N100S
BrandCynergy3
HK$1,502.23
單位
Float - Horizontal NO/NC Stainless Steel 1m - - - - 100 mA 10bar - -
RS庫存編號 124-2553
製造零件編號TSSF212Y100/RS
BrandCynergy3
HK$1,071.87
單位
Float - Horizontal NO/NC Stainless Steel 304 (Stem), Stainless Steel 316 (Float) 1m -20°C +120°C 240V 120V 600 mA 10bar - -
RS庫存編號 124-2571
製造零件編號RSF57H100G1/8/RS
BrandCynergy3
HK$444.56
單位
Float - Vertical NO/NC Polyvinylidene Fluoride 1m -10°C +105°C 300V 300V 1 A - - -