Variable input analog 4-20 mA 0-10 volt regulators. The control supplied by the RIV series is continuous and proportional to the input signal which can be 4-20 mA or 0 - 10 volt CC. in auto detect, suited for the control of fans with remote controller such as air conditioning appliances or system with PLC administration. Available in "day" version or in IP 55 container. The regulators of this line are filtered in compliance with the EC rules currently in force.