STB PDF

Explanation of the mathematical addition of working voltages, insulationbetween circuits, and use of PELV, in TC 34 standards. Original standard PD IEC TR 63139-2018 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Damp heat, steady state (unsaturated pressurized vapour with air). Original standard PD IEC TR 63141-2020 in PDF full version. Additional info + preview on request

Document status: Active

Eyewear display - Generic introduction. Original standard PD IEC TR 63145-1-1-2018 in PDF full version. Additional info + preview on request

Document status: Active

Land usage of photovoltaic (PV) farms. Mathematical models and calculation examples. Original standard PD IEC TR 63149-2018 in PDF full version. Additional info + preview on request

Document status: Active

Equipment for general lighting purposes. Objective test method for stroboscopic effects of lighting equipment. Original standard PD IEC TR 63158-2018 in PDF full version. Additional info + preview on request

Document status: Active

Electric components - Reliability - Failure rates at reference conditions. Original standard PD IEC TR 63162-2025 in PDF full version. Additional info + preview on request

Document status: Active