The Schnepp SI-FK 19/4 sw is a black safety shorting plug with a pin diameter of 4 mm and a dot pitch of 19 mm. It is typically used in laboratory settings for creating safe short-circuits in electrical testing and experiments. This connector ensures secure and reliable connections, maintaining safety standards. https://elecena.pl/product/28905873/schnepp-si-fk-19-4-sw-safety-shorting-plug-black-4-mm-pin-19-mm-pitch 2025-06-05 https://elecena.pl/product/28905873/schnepp-si-fk-19-4-sw-safety-shorting-plug-black-4-mm-pin-19-mm-pitch 2026-07-04