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 L312E Series Small Multi-Level Switches For Hazardous Locations   Printer Friendly Version
The vertically mounted L312E multi-level switches are designed and FM approved for use in hazardous location environments including fuel tanks and combustible fluid storage tanks. With up to five independent switch points, the L312E is a versatile, compact and economical way to monitor multiple liquid level points within a single tank.

With only a single entry, the L312E can track changing levels within the tank as well as monitor liquid interfaces of dissimilar liquids in a single tank like oil water separations, chemical emulsions or condensation levels.
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Hermetically sealed reed switches are located in the switch stem at the desired measurement levels. The switches are actuated by magnets embedded in the floats as they rise and fall with the liquid level. The floats have a predetermined travel on the stem to ensure that the switches are held in the correct condition for its respective level.



  • FM approved for hazardous locations Class I, Div. 1 Grps A, B, C, & D;
    Class II, Grps E, F, & G; Class III, T4
  • Small size, single entry
  • All 316 stainless steel wetted parts
  • Up to 5 independent switch points
  • Good for monitoring dissimilar liquids
  • Excellent chemical resistance

  • See Sales Literature

  • See Sales Literature

 Literature: (US English)
  Sales Literature
  Instruction Manual

  Product Catalog