Multi step switch 2-pole without off, 4 steps
https://www.teconex.eu/shop/m20smast42sa-multi-step-switch-2-pole-without-off-4-steps-48306
https://www.teconex.eu/web/image/product.template/48306/image_1920?unique=9d7a924
Interne referentie: M20SMAST42SA
