Belarus standards PDF

Low-voltage switchgear and controlgear for industrial use Terminal marking and distinctive number for particular control switches. Original standard UNE 21813-1982 in PDF full version. Additional info + preview on request

Document status: Active

Electrical apparatus for potentially explosive atmospheres General requirements. Original standard UNE 21814-1992 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN IEC 60079-0-2021

Amendment 2 - Electrical apparatus for potentially explosive atmospheres General requirements. Original standard UNE 21814-1992 amd2-1993 in PDF full version. Additional info + preview on request

Document status: Active

Amendment 3 - Electrical apparatus for potentially explosive atmospheres General requirements. Original standard UNE 21814-1992 amd3-1995 in PDF full version. Additional info + preview on request

Document status: Active

Amendment 5 - Electrical apparatus for potentially explosive atmospheres General requirements. Original standard UNE 21814-1992 amd5-1995 in PDF full version. Additional info + preview on request

Document status: Active

Telecontrol equipment and systems. Part 3- Interfaces (electrical characteristics). Original standard UNE 21870-3-1994 in PDF full version. Additional info + preview on request

Document status: Active