Liquid Level Control Relays

Plug-in

Single Probe Pump Up or Pump Down

Single Probe Pump Up or Pump Down

Dual Probe Pump Up or Pump Down

Dual Probe Pump Up or Pump Down

Dual Color LED w/Clear Status Indication

Dual Color LED w/Clear Status Indication

Features
  • Controls Level of Conductive Liquids in Pump Up (Fill) or Pump Down (Drain) Applications
  • Single Probe & Dual Probe Versions
  • Probe is Pulsed with DC Voltage to Prevent Electrolysis
  • Factory-Fixed Time Delay Prevents Rapid Cycling
  • Two Adjustable Sensitivity Ranges
  • Input Voltages of 24, 120 & 240V AC
  • LED Status Indication
  • Pilot Duty Rating
Enclosure Style Plug-in case utilizing industry-standard 8 pin octal sockets
Configuration/
Contact Rating
  • SPDT
  • 10A @ 240V AC/7A @ 28V DC, 1/4HP @ 120V AC (N.O.)
Approvals Liquid Level ControlLiquid Level ControlUL File #E109466
Technical Documentation

Operation:

LCP Series Liquid Level Control Relays detect & control levels of conductive liquids (tap water, seawater, sewage, chemical solutions, coffee, ice cream, etc.) in pump up or pump down applications. Both single probe & dual probe versions are offered. The conductive properties of the liquid complete a circuit between a probe & common when the liquid comes in contact with both. These relays compare the value of the measured resistance between probes with the setpoint of the adjustable potentiometer provided on the product. The output of the relay is used to control pumps, solenoids or valves to lower, raise or maintain the level of the liquid in the tank. Probes are pulsed with a DC voltage to prevent potential electroplating issues. A built-in time delay prevents rapid cycling.

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Macromatic's Liquid Level Control Relays Knowledge Base contains general and technical industry articles to help you learn more about Liquid Level Control Relays.

Single Probe Pump Up or Pump Down

Single Probe Pump Up or Pump Down

Dual Probe Pump Up or Pump Down

Dual Probe Pump Up or Pump Down

Dual Color LED w/Clear Status Indication

Dual Color LED w/Clear Status Indication

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