Ammeter switch 1-pole 3 current transformer circuits
https://www.teconex.eu/shop/n20em31g2-ammeter-switch-1-pole-3-current-transformer-circuits-51404
https://www.teconex.eu/web/image/product.template/51404/image_1920?unique=ba62e87
Interne referentie: N20EM31G2
