Images of surge protectors KIWA (Download) Potential balancing and distribution of overvoltage impulse current Typical connection of overvoltage protection - SPD Principles of SPD installations in distributors. How to assure the protection against overvoltage - Coordination. What we offer? Examples - Principles of SPD installations in distributors. Backup fusing 2D models overvoltage protection KIWA 3D models overvoltage protection KIWA A system enabling efficient creation of electrical documentation Kiwa surge protectors are part of the ELCAD database