Sks hirschmann safety stackable plugs mst s ws 1000v acdc cat iii 10a sks hirschmann 975 090 703 yellow 2mm safety stackable plug with solder connection from sks hirschmann designed for use with leads from 05 mm to 1mm spring loaded plug and unsprung 2mm socket for onward connection capability sks hirschmann 975 090 703 2mm mst s ws au plated tower plug cat iii yellow