Cheap And Discounts GV-AD0110 GVAD0110 TeSys GV2 & GV3 - auxiliary contact - 1 NO + 1 NC (fault) Wholesale. Buy Directly From Merchant Industrial Automation Electric Distributor Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.