Multi step switch 1-pole with off, 3 steps
https://www.teconex.eu/shop/m20smast031023-multi-step-switch-1-pole-with-off-3-steps-48293
https://www.teconex.eu/web/image/product.template/48293/image_1920?unique=9d7a924
Interne referentie: M20SMAST031023
