DIN EN 61643-331 VDE 0845-5-3:2004-03

Components for low-voltage surge protective devices

Part 331: Specification for metal oxide varistors (MOV)

DIN EN 61643-321 VDE 0845-5-2:2003-02

Components for low-voltage surge protection devices

Specifications for avalanche breakdown diodes (ABD)

DIN EN 61643-311 VDE 0845-5-1:2002-12

Components for low-voltage surge protective devices

Part 311: Specification for gas discharge tubes (GDT)

DIN EN 61643-341 VDE 0845-5-4:2002-11

Components for low-voltage surge protection devices

Specification for thyristor surge suppressors (TSS)

DIN EN 61663-2 VDE 0845-4-2:2002-07

Lightning protection - Telecommunication lines

Lines using metallic conductors

DIN EN 61643-21 VDE 0845-3-1:2002-03

Low voltage surge protective devices

Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

DIN EN 61663-1 VDE 0845-4-1:2000-07

Lightning protection ­ Telecommunication lines

Fibre optic installations

DIN VDE 0845-1 VDE 0845-1:1987-10

Protection of telecommunication systems against lightning, electrostatic discharges and overvoltages from electric power installations

Provisions against overvoltages