Stabilized, industrial switched-mode power supplies for mains voltage in a solid metal housing for use in industrial automation systems for mounting on a DIN T-35 rail. Equipped with a PFC power factor improvement system, LED signaling of switching on and overload, cooled by natural air flow. Protections: short-circuit, overload, overvoltage, thermal. Made in the degree of protection IP20. Maximum ambient temperature 50°C. Complies with EN55024&EN61000-6-2 safety standards and EN55011&EN55022 EMC directive.