Main switch 3-pole 3 p. early make,with aux.cont.
https://www.teconex.eu/shop/n20eh4a310-main-switch-3-pole-3-p-early-make-with-aux-cont-51380
https://www.teconex.eu/web/image/product.template/51380/image_1920?unique=9d7a924
Interne referentie: N20EH4A310
