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 L070/L071 Series All Stainless Steel Side Mount For Hazardous Locations   Printer Friendly Version
The horizontally mounted L070/L071 are rugged, hazardous duty level switches providing a safe, isolated switch closure for monitoring high and low liquid levels. With an all stainless steel construction and ultra-light float, the L070/L071 series provide high performance in most any media and can be adapted to sense dissimilar fluid interfaces within a 0.1 differential.

An optional manual reset is available on the L070/L071 series for testing of the switch operation while installed in the vessel.

L070 and L070HP Series are reed switch activated devices with 100 VA power rated switches. The L070HP Series also features a high pressure titanium float rated to 5000 psig.

L071 and L071HP Series utilize a 15 amp microswitch in a NEMA 7/9 enclosure. The L071HP Series also features a high pressure titanium float rated to 5000 psig.

FM approved for Class I, Division 1, Groups A, B, C,D,E, F & G hazardous locations, both designs have standard ½" NPT conduit connections and can be installed for either normally open or normally closed switching
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The L070 Series employs an encapsulated magnet in the float assembly that actuates a hermetically sealed reed switch in a separate chamber within the switch housing. The L070 may be installed in either a normally open or normally closed orientation.

The L071 Series uses a magnetically interlocked armature that actuates a mechanical spring loaded switch located in a NEMA 7/9 enclosure.


  • FM approved for hazardous locations
  • 15 amp rated switch 120/240 VAC (L071 Series)
  • Optional Manual Reset (MR) for testing switch operation
  • Wide range of mounting options
  • Liquid interface capabilities
  • High pressure / high temperature titanium float available

  • Maximum pressure (L070 / L071):
    1500 psig (100 bar) (NPT mount only)
  • Maximum pressure (L070HP / L071HP):
    5000 psig (340 bar)
  • Maximum termperature: +300° F (+148° C)

  • L070 standard switch: 100 VA (resistive), SPST (240 VAC/VDC maximum voltage)
  • L070 option switch: 20 VA (resistive), SPDT
  • L071 standard switch: 15 amp (125, 250, 480 VAC), SPDT snap acting switch

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