products Arrester SURGEFREE Power protection Distribution Panels SZK-080-480D SZK-080-480D The SZK-080-480D is a high-capacity surge protection device for three-phase 3-wire power systems, featuring a nominal discharge current of 40kA and a maximum discharge current of 80kA for reliable protection against transient overvoltages. Download Datasheet (PDF) Technical Support, Sales & Service Tel. +82-2-2616-0533