Split phase switch with spring return START to 0
https://www.teconex.eu/shop/m20ehpr1g2-split-phase-switch-with-spring-return-start-to-0-48121
https://www.teconex.eu/web/image/product.template/48121/image_1920?unique=9d7a924
Interne referentie: M20EHPR1G2
