Relink-2S Electronic Step Controller The Relink-2s enables the drive of a step transformer through a 0-10V signal. It is especially designed to control Mf-Net transformers (such as the STW-A, the STD-A and the SEA). The Relink-2s can also control non Mf-Net single phase transformers up to 10 Amps. To deal with currents higher than 10 Amps or with three-phase transformers, additional contactors could be necessary. Applicable for both new and existing ventilation systems 5-step speed control for fans (in combination with a Mf-Net automatic transformer) Built-in 1 second delay before switching to prevent short circuiting of the transformer 12V dc output for direct potentiometer control (to drive the controller directly) Built-in voltage and current protection Emergency connection in case of power failure (Step 2 will be connected) Ventilation control Mf-Net 0-10 / 10-0 V controller Potentiometer Electronic Step Controller

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