1.Specialize in indoor high voltage vacuum circuit breaker 2.ISO9001:2000 and CE 3.Lowest price 4.High quality Earthing Switch:Advanced design and steady performance;Simple structures, installation and adjustment;Handsome appJN15-12 indoor HV earthing switch absorbs advanced new technics from domestic and aborb. It conforms to GB1985 AC HV disconnect switch and earth switch, relative standards ...