OT copper open terminal series, high-purity red copper, surface pickling (can be tin-plated), strong electrical conductivity, anti-oxidation. The product is stamped with high-quality red copper plate, and its application fields are wide, such as transformers, voltage stabilizers, various generators, communication cables, etc., suitable for wire connection in power distribution devices. 1. Suitable for nominal current 5A-1000A, the connection of copper conductors of electrical cable type wires and electrical equipment. 2. Made of high-quality red copper, the surface can be tin-plated, with good electrical conductivity, and durability is not easy to age. 3. Pressure After tightening, it will not break and loosen, and it is heat-resistant from -40 degrees to 105 degrees for normal use.