High quality 630A-4000A VCB Copper Electrical Static Contacts Fixed Contact A contact whose position is basically unchanged in operation. Copper fixed contact are mainly used in high-voltage switchgear, but not low-voltage. The fixed contact are installed in the contact box. One switchgear is equipped with 6 pcs, ABC each phases install 2 pcs. For… Continue reading High quality 630A-4000A VCB Copper Electrical Static Contacts Fixed Contact