The Phoenix Contact 0805739:0021 Label strip consists of 10 pieces and is designed for easy identification in serial and switchboard terminals. It features continuity with labels ranging from 21 to 30, enhancing organisation and efficiency. These label strips are typically used in electrical installations to ensure clear communication of wiring sequences. https://elecena.pl/product/28912596/phoenix-contact-08057390021-label-strip-10-pieces-white-consecutive-nos-21-30 2025-06-06 https://elecena.pl/product/28912596/phoenix-contact-08057390021-label-strip-10-pieces-white-consecutive-nos-21-30 2026-07-06