Martin Kaiser's 551/sw safety mains socket features a PVC construction and is rated at 250 V. This black socket is designed for indoor use with an IP20 rating, ensuring basic protection against dust. It is typically used in household or office environments where basic electrical connectivity is required. https://elecena.pl/product/28757577/martin-kaiser-551-sw-safety-socket-ip20-pvc-250v-kink-amp-earth-contact 2025-05-20 https://elecena.pl/product/28757577/martin-kaiser-551-sw-safety-socket-ip20-pvc-250v-kink-amp-earth-contact 2025-07-17