STM PDF

Classification of environmental conditions - Part 3-3- Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations. IEC 60721-3-3-2019-05+AMD1-2026-09 CSV(en). Supplied PDF is the consolidated version containing both redline and final text (42 physical pages). Original standard IEC 60721-3-3-2026 in PDF full version. Additional info + preview on request

Document status: Active

Electromagnetic compatibility (EMC) - Part 4-29- Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests. IEC 61000-4-29-2026-07(en). Original standard IEC 61000-4-29-2026 in PDF full version. Additional info + preview on request

Document status: Active

High-current test techniques - Definitions and requirements for test currents and measuring systems. IEC 62475-2026-07(en). Original standard IEC 62475-2026 in PDF full version. Additional info + preview on request

Document status: Active

Railway applications - Electronic power converters for fixed installations - Part 2-2- DC Traction applications - Controlled converters. IEC 62590-2-2-2026-06(en). Original standard IEC 62590-2-2-2026 in PDF full version. Additional info + preview on request

Document status: Active

Communication networks and systems for power utility automation - Part 90-19- Use of Role-Based Access Control (RBAC) with IEC 61850. IEC PAS 61850-90-19-2026-08(en). Original standard IEC PAS 61850-90-19-2026 in PDF full version. Additional info + preview on request

Document status: Active

Rigid circuit board - Routing parameters. IEC PAS 63720-2026-08(en). Original standard IEC PAS 63720-2026 in PDF full version. Additional info + preview on request

Document status: Active