Liquid Level Controller

Liquid Level Controller
Liquid Level Controller
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The liquid level controller is equipped with three contacts to start or stop the refilling function of the vessel according to liquid levels sensed by the electrodes (probes). We provide liquid level controllers with different water levels, styles, shapes and sizes.

  • Voltage: AC 36-380V 50V 60Hz
  • Operating temperature: -10℃~70℃
  • Voltage: AC 36V-380V 50/60HZ DC 12V-DC48V
  • Operating temperature: -10℃-50℃

The three electrodes are connected to the "e1", "e2" and "e3" terminals.

When the liquid level reaches the uppermost electrode (e1), the relay is activated, and the pump starts refilling the vessel. When the liquid level reaches the bottom electrode (e2), the relay is deactivated and the pump stops refilling.

The sensitivity (between the electrodes) is adjustable within a range of 5-100 KQ via the buttons on the front side of the relay.

  • Top level electrode: Top (e1)
  • Bottom level electrode: Bottom (e2)
  • Earth electrode: Earth (e3)
Technical parameters
  • Rated voltage: 230 VAC
  • Operating range: (0.8 -1.1)xUn (Un nominal voltage)
  • Frequency: 50/60 Hz
  • Sensitivity: 5-100K Ω adjustable
  • Output current: Max. 5 A/ 240 VAC
  • Consumption: < 4 VA
  • Protection: IP20
  • Receiver protection: IP00
  • Temperature: -5℃ ~+50℃
  • Connection: DIN rail mounted in panel
  • Size: 35x90x58 mm
  • 61F-G

  • 61F-G1

  • A61F-GP

  • Operation Temperature:10-100℃
  • Flow Rate:2m/s
  • Voltage: AV220V
  • Rated current: Resistive load 4A/220V
  • Maximum heat current: 10A 250V
  • Working temperature: 0-65℃
  • Power range: ≤500W
  • Working Pressure: 0.1Mpa
  • Level of protection: IP65
  • Contact rating: AC250V DC30V 50A
  • Rated voltage: one phase AV110V 220V 380V 50HZ
  • Output contact: SPDT(1)
  • Electrical life: 105 times
  • Mechanical life: 106 times
  • Altitude: <2000M
  • Contact rating: AC250V DC30V 50A
  • Rated voltage: one phase AV110V 220V 380V 50HZ
  • Output contact: SPDT(1)
  • Electrical life: 105 times
  • Mechanical life: 106 times
  • Altitude: <2000M
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