No auxiliary power is required (because the transformer and power supply are not included).
The input side signal section is completely isolated from the power line side.
It can be directly driven by 4-20mA of the thermometer, and can be connected to 2~3 SCRs in series (please contact us if necessary), and can be adjusted manually or automatically.
CE certification passed.
It has input signal size indication and power indication function.
Simple wiring and easy operation.