Voltmeter selector switch 3 line and 1 phase voltages
https://www.teconex.eu/shop/n20ev13g2-voltmeter-selector-switch-3-line-and-1-phase-voltages-51536
https://www.teconex.eu/web/image/product.template/51536/image_1920?unique=9d7a924
Interne referentie: N20EV13G2
