EYZAO composite high throughput secondary surge protector series, complying with IEC61643-11 and GB/T18802.1 standards, has obtained third-party certification from TUV/UL and national laboratories. This series of products provide multiple levels of discharge current, In/lmax: 30/60kA, 40/80kA, 50/100kA, 60/120kA, and are suitable for a wide range of grid systems, including TT, IT and TN.

YSPD…. .385 series products are characterized by small size, easy installation, simple appearance, etc., and are equipped with decoupling technology, local remote alarms, etc. YSPD…600 and YSPD…1000 series products are suitable for higher voltage applications.

Composite high throughput secondary surge protectors are usually installed in the lightning protection partition LPZ0B-3 and subsequent partitions.