Multi step switch 4-pole without off, 3 steps
https://www.teconex.eu/shop/m10hzst34g2-multi-step-switch-4-pole-without-off-3-steps-47485
https://www.teconex.eu/web/image/product.template/47485/image_1920?unique=9d7a924
Interne referentie: M10HZST34G2
