Split phase switch with spring return START to 0
https://www.teconex.eu/shop/n20phpr1g2-split-phase-switch-with-spring-return-start-to-0-51827
https://www.teconex.eu/web/image/product.template/51827/image_1920?unique=c0a864f
Interne referentie: N20PHPR1G2
