Mndandanda wa WH8cholumikizira cha modularimagwiritsa ntchito nsanja yatsopano yaukadaulo ndipo imagwiritsa ntchito zida zopangira ndi kuyesa zokha kuti ipange ma contactor apamwamba kwambiri komanso okhalitsa.
WH8 contactor ingagwiritsidwe ntchito pa mphamvu yakutali: Kuunikira, kutentha, mpweya wabwino, makatani ozungulira, madzi otentha a anthu onse, makina opumira mpweya, ndi zina zotero. Malo ocheperako operekera katundu wochepa.