Power supply: TRV: 1524V= ( 10%) or 24V ( 10%)TRA: 1524V=( 10%)Power consumption: TRV: max. 12mA/24V=TRA: max. 20mA/24V= Measuring range: Sensor: 35...70°COutput: Sensor: depending on temp. sensorTRV: 0...10V, min. load 5kTRA: 4...20mA, max.load 700 /24V=Accuracy@21°C: Sensor: depending on temp. sensorTRV/TRA: 1%of full scalePotentiometer (P): Output resistance 1k or 5k or 10k ,3wire,max load 0,25W, (optionally output0...10V, max. load 10mA, supply voltage1524V=or 24VRotary switch (S): 2stages(0,I) or 3stages(0,I,II) or4stages(0,I,II,III) or 5stages(Auto,0,I,II,III), max.