Multi step switch 4-pole without off, 4 steps
https://www.teconex.eu/shop/m10hsmast44-multi-step-switch-4-pole-without-off-4-steps-47243
https://www.teconex.eu/web/image/product.template/47243/image_1920?unique=9d7a924
Interne referentie: M10HSMAST44