The R20, RD20, R25, RD25 series is a kind of modular contactor mainly used for the installation of home switch cabinets that provides various kinds of purposes like switching-on electric lighting, switching on all types of pumps, switching on electric heating appliances and switching on electric motors. It is intended to be installed on standard mounting rails with 35 mm width (EN 50022).
The contactors can be leaded by a lead cover available in an auxiliary contactor block RH 11. It has a relatively silent operation, long lifetime and a high quality manufacturing of the mechanism itself. It is specified according to EN60947-4-1; EN60947-5-1; VDE 0660, IEC 947-4-1; IEC 947-5-1.