LF34 Flameproof Horizontal Level Switch

Designed to give indication of high or low level alarm

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Switching is achieved by means of an eccentric cam which translates the vertical movement of the float assembly to a horizontal plunger to operate a SPCO/SPDT microswitch. The wetted parts are manufactured from 316 stainless steel, with the horizontal plunger ‘O’ Ring seal manufactured from nitrile. The SPCO/SPDT microswitches are housed in a 316 ANC4B stainless steel or black anodised aluminium housing sealed to IP66 standards. Designed to give indication of high or low level alarm, second microswitch can be fitted to supply an additional signal.


  • Certification 
    CE II2G Exd IIB+H2 T6 Ta -60 to +75°C, T5 Ta -60 to +90°C.
    Dust certification available upon request
    CE Ex II2D ExtD A21 IP66 Ta -50 to +75°C, T100°C Ta +90°C.
  • ANC4B 316 St steel or black anodised aluminium case
  • 316 stainless steel wetted parts
  • M20 Electrical connection

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