Float Switches

A float switch is a level sensor used to detect the level of liquid usually in a tank, container or well. The flotation part of the device sits on top of the liquid and will switch on the rise and fall of the liquid. Float switches 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.RS Components offer a wide range of high-quality horizontal and vertical devices from leading brands including Cynergy3, Pepperl + Fuchs, Gems Sensors, Telemecanique and of course RS PRO

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 the 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-proofAvailable with WRAS approvals.

What applications can be float switches used?

When emptying a tankWhen filling a tankFor alarm at high water levelFor 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 339-730
製造零件編號RSF43Y050QF
BrandCynergy3
TWD476.00
單位
Float - Horizontal Internal NO/NC Nylon 500mm -20°C +75°C - - 600 mA - Nitrile -
RS庫存編號 122-8384
製造零件編號162745
TWD570.00
單位
Float - Vertical SPST NO Nylon 24in -40°C +121°C - - - 10bar - -
RS庫存編號 397-0564
製造零件編號RSF84Y100R
BrandCynergy3
TWD601.00
單位
Float - Horizontal NO/NC Polypropylene 1m -20°C +100°C - - 600 mA - Silicone, Viton -
RS庫存編號 889-1267
製造零件編號LV20-1201
BrandFlowline
TWD1,213.00
單位
Float Level Switch - Vertical NO/NC Polypropylene 600mm -40°C +80°C 120V 120V 10 A 10psi - -
RS庫存編號 288-9338
製造零件編號RSF16Y050TG
BrandCynergy3
TWD1,175.00
單位
Float - Direct Mounting NO/NC Polyphenylene Sulfide 500mm -20°C +120°C - - 600 mA - Silicone, Viton -
RS庫存編號 289-1319
製造零件編號RSF46Y050TG
BrandCynergy3
TWD768.00
單位
Float - Horizontal Internal NO/NC Polyphenylene Sulfide 500mm -10°C +120°C - - 600 mA - Viton -
RS庫存編號 519-236
BrandRS PRO
TWD206.00
單位
Float - Vertical Direct Load PP 300mm -20°C +80°C 140V 200V 700 mA - - -
RS庫存編號 348-8037
製造零件編號RSF64BEXS
BrandCynergy3
TWD2,029.00
單位
Float - Vertical Direct Load Polyphenylene Sulfide 1.5m 0°C +75°C - - 600 mA - - -
RS庫存編號 725-9940
製造零件編號RSF58Y100RC
BrandCynergy3
TWD644.00
單位
Float - Vertical NO/NC Polypropylene 1m -20°C +100°C - - 600 mA - Nitrile -
RS庫存編號 519-232
BrandRS PRO
TWD232.00
單位
Float - Vertical Direct Load PP 300mm -20°C +80°C 250V 200V 700 mA - - -
RS庫存編號 338-9772
製造零件編號RSF54Y100RC
BrandCynergy3
TWD688.00
單位
Float - Vertical NO/NC Polypropylene 1m -20°C +100°C - - 600 mA - Nitrile -
RS庫存編號 780-0129
製造零件編號SH-3052
BrandCynergy3
TWD12,622.00
單位
Float - Horizontal - Aluminium - 0°C +100°C - - 5 A 20bar - -
RS庫存編號 331-017
製造零件編號RSF53Y100JC
BrandCynergy3
TWD612.00
單位
Float - Vertical NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
RS庫存編號 519-258
BrandRS PRO
TWD237.00
單位
Float - Vertical Direct Load PP 300mm -20°C +80°C 250V 200V 700 mA - - -
RS庫存編號 869-7560
製造零件編號RSF43YFP
BrandCynergy3
TWD539.00
單位
Float - Horizontal NO/NC Nylon - -20°C +75°C 240V 120V 600 mA - Nitrile -
RS庫存編號 338-9716
製造零件編號RSF46Y100RG
BrandCynergy3
TWD665.00
單位
Float - Horizontal Internal NO/NC Polyphenylene Sulfide 1m -10°C +120°C - - 600 mA - Silicone, Viton -
RS庫存編號 756-4261
製造零件編號RSF53Y100J1/8
BrandCynergy3
TWD606.00
單位
Float - Vertical NO/NC Nylon 1m -20°C +75°C - - 600 mA - Nitrile -
RS庫存編號 454-9076
製造零件編號LM10A
BrandCynergy3
TWD4,985.00
單位
Float - - Direct Load PE 5m 0°C +55°C - - 1 A dc, 4 A ac 10bar - -
RS庫存編號 205-6910
製造零件編號MS10A
BrandCynergy3
TWD1,316.00
單位
Float - - NO PE 5m 0°C +55°C - - 1 A dc, 4 A ac 10bar - -
RS庫存編號 177-9140
製造零件編號9037HG37
TWD6,007.00
單位
Float Switch - Screw In 2 NC DPST Polypropylene - -30°C +105°C 230 (Single Phase) V, 475 (3 Phase) V 230V - - - -