Single-phase non regulated DC-power supply with secondary voltage 12VDC or 24VDC. Max. residual ripple approx. 48%. Designed and tested according to norm EN61558-2-6. Separate insulated windings moulded in self-extinguishing polyurethane and capsulated in plastic. Insulation class II. Protected against overload and short-circuit with built-in PTC. For fixed installation, simple and easy "module" assembly on 35mm DIN-rail. Safe and reliable power supply designed for contactors and other automatic equipment which can tolerate non regulated DC-voltage.