Voltmeterselectorswitch 3 line + 3 phase voltages
https://www.teconex.eu/shop/m10hev1051g2-voltmeterselectorswitch-3-line-3-phase-voltages-47106
https://www.teconex.eu/web/image/product.template/47106/image_1920?unique=9d7a924
Interne referentie: M10HEV1051G2
