products Arrester SURGEFREE Power protection Distribution Panels SZK-080-380Y SZK-080-380Y The SZK-080-380Y is a high-capacity surge protection device for three-phase 4-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