Ammeter switch 1-pole 3 current transformer circuits
https://www.teconex.eu/shop/n33fem31g2-ammeter-switch-1-pole-3-current-transformer-circuits-52347
https://www.teconex.eu/web/image/product.template/52347/image_1920?unique=ba62e87
Interne referentie: N33FEM31G2
