
IEC 61857-21 Ed. 2.0 b:2004
Electrical insulation systems – Procedures for thermal evaluation – Part 21: Specific requirements for general-purpose models – Wire-wound applications
standard by International Electrotechnical Commission, 08/27/2004
Electrical insulation systems – Procedures for thermal evaluation – Part 21: Specific requirements for general-purpose models – Wire-wound applications
standard by International Electrotechnical Commission, 08/27/2004
Railway applications – Fixed installations – DC switchgear – Part 1: General
standard by International Electrotechnical Commission, 02/07/2006
Amendment 1 – Industrial communication networks – Profiles – Part 5-4: Installation of fieldbuses – Installation profiles for CPF 4
Amendment by International Electrotechnical Commission, 06/16/2015
Fibre optic active components and devices – Test and measurement procedures – Part 3: Optical power variation induced by mechanical disturbance in optical receptacles and transceiver interfaces
standard by International Electrotechnical Commission, 05/07/2015
Nuclear power plants – Instrumentation and control important to safety – Requirements for electromagnetic compatibility testing
standard by International Electrotechnical Commission, 03/10/2009
Railway applications – Rolling stock – Protective provisions against electrical hazards
standard by International Electrotechnical Commission, 01/14/2000
Electromechanical elementary relays – Part 2: Reliability
standard by International Electrotechnical Commission, 02/07/2005
Industrial communication networks – Profiles – Part 5-10: Installation of fieldbuses – Installation profiles for CPF 10
standard by International Electrotechnical Commission, 07/22/2010
Fibre optic active components and devices – Performance standards – Part 9: Seeded reflective semiconductor optical amplifier transceivers
standard by International Electrotechnical Commission, 04/24/2014
Amendment 2 – Sound signalling devices for household and similar purposes
Amendment by International Electrotechnical Commission, 04/17/2015