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KSR Kuebler Float Switch (Side Entry)

The KSR Kuebler Float Switch (side entry version) is an industrial level switch used to control levels of a liquid. In addition to the various applications for float switches for vertical installation, this model of horizontal float switches likewise offer innumerable possibilities to monitor and/or switch levels in order to indicate minimum and maximum levels. The float is attached to a supported, swivelling lever and moves with the level of the medium being measured. By means of a permanent magnet, fixed to the end of the lever, when a preset switch point is reached, a reed contact (inert gas contact) within the contact tube is actuated.


The signal processing is universal. Direct connection to PLCs, NAMUR connections, signal amplifiers or contact protection relays is possible. This model can be supplied in Exia option. The float switch is simple to mount and maintenance-free, therefore the costs of mounting, commissioning and operation are low.


KSR Kuebler Float switch benefits…

  • Large range of application due to the simple, proven functional principle
  • For harsh operating conditions, long service life
  • Operating limits:
    – Operating temperature: T = -120 … +350 °C
    – Operating pressure: P = Vacuum to 232 bar
    – Limit density: ρ ≥ 600 kg/m3
  • Stainless steel and plastic versions
  • Explosion-protected versions


Fluidic have a long established partner agreement with KSR Kuebler.  Our instrumentation engineers are product trained and able to help with instrument selection within the full KSR Kuebler level instrumentation portfolio.  This includes accompanying float switches, float transmitters and bypass level gauges.  Please contact either office for more information (Glasgow 0141 641 5920 or Warrington 01925 572401).



  • Download KSR Horizontal Level Switch Datasheet
  • Download Operating Instructions for KSR Horizontal Level Switch
  • Download Mounting Operating Instructions for Horizontal Float Switch
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