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Level Switches

L471 Electric Level Switch

The L471 can activate alarms, provide a switch input for control systems or perform electrical switch operations actuated by a liquid or liquid interface for high or low levels.

Product Features

  • Working Pressure: 0-1,500 psig standard (available to 5,000 psig)
  • Switch Rating: SPST; 100VA AC; 100W DC; 3 amp in-rush capability, maximum of 250 volts
  • Connections: 1-1/2″ NPT standard; available 2″ or larger;  Electrical Connection: 1/2″ conduit
  • CSA Certification: Listed as explosion-proof for Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; and Class III, Div. 1
  • Options: Manual override, 10 Amp relay assembly, annulus plug, displacers

L471SC Externally Caged Electric Level Switch

The L471SC can activate alarms, provide a switch input for control systems or perform electrical switch operations actuated by a liquid or liquid interface for high or low levels.

Product Features

  • Working Pressure: 0-1,500 psig standard (available to 5,000 psig)
  • Switch Rating: SPST; 100VA AC; 100W DC; 3 amp in-rush capability, maximum of 250 volts
  • Connections: 1-1/2″ NPT standard; available 2″ or larger;  Electrical Connection: 1/2″ conduit
  • CSA Certification: Listed as explosion-proof for Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; and Class III, Div. 1
  • Options: Manual override, 10 Amp relay assembly, annulus plug, displacers

LV471 Vertical Electric Level Switch

The LV471 can activate alarms, provide a switch input for control systems or perform electrical switch operations actuated by a liquid or liquid interface for high or low levels.

  • Working Pressure: 0-250 psig
  • Specific Gravity: 0.7 minimum
  • Switch Rating: SPST; 100VA AC; 100W DC; 3 amp in-rush capability, maximum of 250 volts
  • Connections: 1-1/2″ NPT standard; available flanged;  Electrical Connection: 1/2″ conduit
  • CSA Certification: Listed as explosion-proof for Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; and Class III, Div. 1
  • Option: 10 Amp relay assembly

L971 Horizontal Extended Body Electric Level Switch

The L971 can activate alarms, provide a switch input for control systems or perform electrical switch operations actuated by a liquid or liquid interface for high or low levels.

  • Working Pressure: 0-2,500 psig
  • Specific Gravity: 0.6 minimum
  • Switch Rating: SPST; 100VA AC; 100W DC; 3 amp in-rush capability, maximum of 250 volts
  • Connections: 1″ NPT standard; available in 1-1/2″ NPT or flanged;
  • Electrical Connection: 1/2″ conduit
  • CSA Certification: Listed as explosion-proof for Class I, Div. 1, Groups A, B, C, D;
  • Class II, Div. 1, Groups E, F, G; and Class III, Div. 1
  • Option: 10 Amp relay assembly

LINC-282 Pneumatic Level Switch

These units are used as a level control or as a high or low level alarm. The pneumatic output can be used to operate valves, sound alarms or perform and other desired pneumatic function.

  • Working Pressure: 0-1,500 psig standard (available to 5,000 psig)
  • Specific Gravity: 0.5 minimum
  • Supply Pressure: 30, 60, 100 psig standard
  • Output Pressure: 0-30, 0-60, 0-100 psig standard
  • Connections: 2″ NPT standard; available 3″ or larger
  • Options: Manual override, annulus plug, displacers

LINC-282SC Externally Caged Pneumatic Level Switch

These units are used as a level control or as a high or low level alarm. The pneumatic output can be used to operate valves, sound alarms or perform and other desired pneumatic function.

  • Working Pressure: 0-1,500 psig standard (available to 5,000 psig)
  • Specific Gravity: 0.5 minimum
  • Supply Pressure: 30, 60, 100 psig standard
  • Output Pressure: 0-30, 0-60, 0-100 psig standard
  • Connections: flanged and externally caged
  • Options: Manual override, annulus plug, displacers