Netzüberspannungsschutz, Überspannungsschutzeinrichtungen

Power Surge Protector,Surge Protective Device Application For TN-S, TN-C, TN-C-S, TT andIT power systems of AC50Hz/60Hz, 380V and below, to protect the AC networks from both multiple atmospheric and switching overvoltages as well as Very Fast Transients (VFT). Feature 1. Response in nanoseconds 2. Overheating and over-current protection 3. Local indication by visually display, remote signal alarm contact and failure tripping device 4. Hot plug pull 5. User-replaceable phase surge pluggable modules 6. High energy input capacity 7. Stable U-I characteristics even after multiple strokes 8. Proof against ageing 9. Explosion and shatter-resistant design 10. Pollution resistant and UV-stable 11. Housing resistant to rough handling 12. Maintenance free 13. Stable against shock and vibration 14. High mechanical resistance 15. Standard 35mm rail mounting Max continuous operating voltage: 275V, 320V, 385V, 420V, 485V, 550V