1.GW1 12kv Isolating Switch For substation 2.Since 1993 1. Simple Structure, reliable property, ... high-intensity, good flowing and anti-corrosion 4. In the galvanic circle, the section is the combination structure made by screw fix linking, having ... 30μ M silver. 6. Finger spring is made by the stainless steel and its design is the inside hiding and outside press structure which ...