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Horizontal Liquid Level Sensor

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Horizontal Liquid Level Sensors are side-mounted at the specified level through a sealed hole in the side of a tank / container. The float rises and falls with the level, actuating reed switches according to set parameters. Signals are then sent to trigger an action with a system or process, making these components essential for accurate monitoring in applications such as flood control, industrial automation, robotic lubrication levels, agriculture, marine, HVAC and water level monitoring systems.


No power is consumed during standby status.


The sensor is available as a Normally Open or Normally Closed switch in Polypropylene, Nylon, Nitrile Butadine Rubber or stainless steel for harsh environments. They are easy to install and have a compact size, which is customizable, mix and match sensor housing and float material to suit the target liquid. The cable can be supplied as PVC or Teflon with the desired length and connector combination. Supplied with either a single or double switch point, the switch points to be determined to suit the application.

  • Easy installation
  • Connector and lead termination are customisable
  • Nylon, Nitrile Butadine Rubber, Polypropylene or Stainless Steel
  • Energy-efficient monitoring
  • Customisable float and arm matreial
  • High and Low voltage options
  • Choice of single and double switch point options

1000V maximum switching

2.5A maximum carrying current

up to 160°C

100W max. switch power

Marine - Markets at Lucid Electronics

Ideal for marine applications

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  • Specifications
  • Standard Parts
Part Number
Arm Material
Float Material
Arm Length (mm)
Total length (mm)
Thread size
Switch Function
Voltage
Operating Temperature
Switching current
Carrying Current
Power Rating
Cable length (cm)
Datasheet
LHFA230-NOL-35 Polypropylene Polypropylene 30mm 94.4 M8 N.O 180VAC / DC -20 °C to 80 °C 0.5A 1.25A 10W 35
LHFA245-NOL-35 Polypropylene Polypropylene 45 92 M8 N.O 180VAC / DC -20 °C to 80 °C 0.5A 1.25A 10W 35
LHFE445-NOL-35 Stainless Steel Stainless Steel 45 92 M12 N.O 1000VAC / DC -40 °C to 160 °C 1A 2.5A 100W 35
LHVFE480-NOL-35 Stainless Steel Stainless Steel 80 80 M12 N.O 1000VAC / DC -40 °C to 160 °C 1A 2.5A 100W 35
LHFC4120-COL-35 Nylon Nylon 42 87 M12 S.P.D.T 180VAC / DC -20 °C to 80 °C 0.5A 1.25A 10W 35
LHFA730-NOL-40 Polypropylene Polypropylene 30 96 1/2NPT N.O 180VAC / DC -20 °C to 80 °C 1A 1.25A 10W 40
LHFA537-NOL-40 Polypropylene Polypropylene 37 94.4 M16 N.O 180VAC / DC -20 °C to 80 °C 1A 1.25A 10W 40
LHFA947-NOL-40 Polypropylene Polypropylene 47 86 G1/2BSP N.O 180VAC / DC -20 °C to 80 °C 1A 1.25A 10W 40
LHFA442-NOL-40 Polypropylene Polypropylene 42 87 M12 N.O 180VAC / DC -20 °C to 80 °C 1A 1.25A 10W 40
LHFA945-NOL-40 Polypropylene Polypropylene 45 92 G1/2BSP N.O 180VAC / DC -20 °C to 80 °C 1A 1.25A 10W 40
LHFA727-NOL-40 Polypropylene Polypropylene 27 105 1/2NPT N.O 180VAC / DC -20 °C to 80 °C 1A 1.25A 10W 40
LHVFE380-NCL-30 Stainless Steel Stainless Steel 80 80 M10 N.O 1000VAC / DC -40 °C to 160 °C 1A 2.5A 100W 30
Ingress Protection IP67
Switch Function NO /NC / SPDT
Cable Length 300mm
Insulation Resistance ≥ 100 MΩ (@ 500 VDC)
Maximum Contact resistance 150 mΩ
Dielectric Strength 1500 VAC for low voltage, 2500 VAC for high voltage, (60 seconds)
Electrical life ≥ 1 x 10⁵ operations (Resistive Load)
Liquid density (recommended) ≥0.75g/cm³

Specifications subject to change without notice.