Main/Emerg.-Off switch 4-pole 4.pole early make
https://www.teconex.eu/shop/n20phn4a4-main-emerg-off-switch-4-pole-4-pole-early-make-51821
https://www.teconex.eu/web/image/product.template/51821/image_1920?unique=5d97092
Interne referentie: N20PHN4A4
