... 3.Against high&low voltage 4.CE,ISO9001 2012New distribution surge protector 30A with CEdistribution surge protector,air condenser ... over -strerched utility, espevially in areas of poor power distribution infrastructure and remote areas. Common in dry seasons where water ... surge,spikes and lightning:Short term,high coltage and current phenomena occurring on the teleghone lines,Can cause irreparable ...