prBAS EN 61858-1/Cor1:2027 Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS EN IEC 60216-1:2027 Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS EN IEC 60909-0:2027 Short-circuit currents in three-phase AC systems - Part 0: Calculation of currents
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS EN IEC 61109/Cor1:2027 Insulators for overhead lines - Composite suspension and tension insulators with AC voltage greater than 1 000 V and DC voltage greater than 1 500 V - Definitions, test methods and acceptance criteria
prBAS EN IEC 61643-11/A11:2027 Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS EN IEC 61643-11:2027 Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS EN IEC 61643-21:2027 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS EN IEC 61643-361:2027 Low-voltage surge protective devices - Part 361: Surge isolation transformers (SITs) connected to low-voltage distribution system - Requirements and test methods
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS EN IEC 62217:2027 Polymeric HV insulators for indoor and outdoor use - General definitions, test methods and acceptance criteria
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS EN IEC 62475:2027 High-current test techniques - Definitions and requirements for test currents and measuring systems
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS IEC TR 61643-333:2027 Components for low-voltage surge protection - Part 333: characteristic equations and life evaluation for metal oxide varistors (MOV)
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS IEC TS 60815-1:2027 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 1: Definitions, information and general principles
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS IEC TS 60815-2:2027 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 2: Ceramic and glass insulators for a.c. systems
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS IEC TS 60815-3:2027 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 3: Polymer insulators for AC systems
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS IEC TS 62332-1:2027 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 1: General requirements
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS IEC TS 63264:2027 Composite insulators with integrated optical fibres for AC voltages greater than 1 000 V and DC voltage greater than 1 500 V - Definitions, tests methods and acceptance criteria
00.99
BAS/TC 8
29.10.2026
05.11.2026
prBAS IEC TS 63414:2027 Artificial pollution tests on high-voltage polymeric insulators to be used on AC and DC systems
