Data key for switching computer of the pro-Generation. Suitable for Save 'n carry PP 50 pro programming package. * Data key contains following functions: Data can be secured/saved on key * Switch timer can be programmed via key * Data key program can be re-run * Monitoring of data key program * Type DK pro * Category: DIN rail mount timer * Manufacturer's part: DK PRO Data Key for PP 50 PRO https://elecena.pl/product/27736040/muller-dk-pro-data-key-for-pp-50-pro 2025-01-22 https://elecena.pl/product/27736040/muller-dk-pro-data-key-for-pp-50-pro 2025-08-05