The Schützinger A 20-40 S Ni / BL is a blue, 4 mm pin diameter safety jack plug adapter. It is commonly used in laboratory settings for secure electrical connections. This high-quality adapter enhances connectivity in various electronic testing and measurement applications. https://elecena.pl/product/28166152/sch-tzinger-a-20-40-s-ni-bl-adapter-4-mm-pin-blue-1pc 2025-04-02 https://elecena.pl/product/28166152/sch-tzinger-a-20-40-s-ni-bl-adapter-4-mm-pin-blue-1pc 2025-08-03 https://elecena.pl/product/28166152/sch-tzinger-a-20-40-s-ni-bl-adapter-4-mm-pin-blue-1pc 2026-06-11 https://elecena.pl/product/28166152/sch-tzinger-a-20-40-s-ni-bl-adapter-4-mm-pin-blue-1pc 2026-07-04 https://elecena.pl/product/28166152/sch-tzinger-a-20-40-s-ni-bl-adapter-4-mm-pin-blue-1pc 2026-08-20