Product Description

The Marine Type Approved F/S FP Series Float Switch is a magnetic float on a reed switch sensor stem for control and indication of a liquid level in a marine environment.
The Marine Type Approved F/S FP Series Float Switch holds Bureau Veritas Marine Type Approval under certificate 53346/A0 BV.

Features include:

  • Available with Bureau Veritas Marine Type Approval.
  • Custom length sensor stems up to 6 Metres.
  • Stainless steel 316 housing and wetted components.
  • Up to 7 switch points on one stem.
  • Custom made for mixed normally open/normally closed switches.
  • IP68 Ingress protection.
  • Voltage free reed switch contacts or Hall Effect sensing technology.
  • M20 or “NPT cable connections.
  • Custom mounting options available.
  • Narrow sensor stem and mounting for tanks without internal access.
  • Suitable for high liquid temperatures.


Sensor technology Magnetic float with reed switch
Sensor tube and wetted materials Stainless steel 316L
Connection head material Stainless steel 316L
IP rating with suitable cable gland IP66/68 for indoor or outdoor
Approximate weight
ø12mm stem 1kg +process connector + 0.5kg/Metre
Float Diameter: Specific gravity: ø53mm : 0.65
Maximum liquid temperature: -20 to +120°C
can be specified for process temperatures down to -55°C
Maximum head temperature -20 to +120°C
Maximum operating pressure 150PSI / 10Bar standard
450PSI / 31Bar optional
Thread connection-Sensor tube ½”-14 NPT
Thread connection-Wiring port ½”-14 NPT or M20X1.5
Connection head height 95mm
Switch Rating
>4 Point Reed Switch 0 to 50Vdc. 1Amp. 50Watts Max
≤4 Point Reed Switch 0 to 240vac. 1Amp. 50Watts max