AT 10 B - High Sensitivity Level Control Relay

AT 10 B - High Sensitivity Level Control Relay

  • Supply voltage: 220 V
  • Sensitivity: High up to 70 KOhm
  • Operating temperature: - 10 à + 55°C
  • Number of probes max.: 3
  • Response time: 100 ms
  • Electrical charge on contacts:  5A-240V
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This high sensitivity level control relay is particularly suitable for the control of low conductivity liquids such as rainwater.

It keeps the liquids within the limits set between a maximum level and a minimum level and ensures the protection of submersible pumps against dry running. The sensitivity is fixed.

However, they can be used in liquids of normal conductivity to control very great differences of level by the greater power of their message.

The AT 10 B level control relay is used to control liquids with a high overall resistance, that is up to 70 kΩ.

How to use:

The control relays operate with three probes and thus allow two levels to be controlled. It is important to know that the "common" probe should always be placed lower than the low level probe.

You should also know that when working in a tank or metal tank, it is possible to use only two probes to control the high and low levels and to use the cable of the common probe by "connecting" it to the tank or metal tank. However, this case is only possible if the metal of the tank or tank is in direct contact with the liquid.

The probes are connected to the control box by an electric cable to a conductor which can be very thin, but for reasons of mechanical resistance, it is advisable to use a 1.5 mm² cable with neoprene outer sheath.


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