Electronic 3-term step-controllers with
PI-control
• Drive for electric actuators
• Set point selection by manual controllers
• Input 4-20mA , actual value
• Indication of actual value
• Installed power supply for transducer 24VDC
• Switches for limiting values
• Manual and automatic operation
• Component mark
TÜV.WRS(WR).91-355 for application boiler feed controls