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Fan speed controller 0-10V
Fan speed controller 0-10V/4-20mA. The ERV series are fans speed controller for single phase fans. They have a control input 0-10V that permits to control the regulator by means of an external voltage. The regulator permits to control models: 0-10VDC and 4-20mA that can be selected through selector SW2. Variable speed fan control and fan controls you can buy here online.