Galvanic isolation of analogue signals. Surge suppressor on analogue input. 2-way isolataion (output not isolated from supply). Yellow LED for visual voltage warning Input Type = Analogue Output Type = Current Signal Conditioner Type = Analogue to Current Input Range = 4 - 20 mA Output Range = 4 - 20 mA Supply Voltage = 24 V ac/dc Mounting Type = DIN Rail Minimum Operating Temperature = -25°C Maximum Operating Temperature = +60°C Operating Temperature Range = -25 - +60 °C