Power supply


Click here to know everything about the power supply for devices of the AR, Optima and NRV model ranges.

Switching and control unit S

Switching and control unit power supply for MS 28-66

Control elements

This diagram describes how the devices of the AR and Optima model ranges are wired with different control elements.

Cable lengths

Maximum cable lengths, examples described for heaters, fans, R.O.S.S.Y as well as for the switching and control unit. You can use the calculation formulas for other application cases.