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High-voltage switchgear and controlgear - Capacitive current switching capability of air-insulated disconnectors for rated voltages above 52 kV. Original standard PD IEC TR 62271-305-2009 in PDF full version. Additional info + preview on request

Document status: Active

High-voltage switchgear and controlgear - Guide to IEC 62271-100, IEC 62271-1 and other IEC standards related to alternating current circuit-breakers. Original standard PD IEC TR 62271-306-2012 + A1-2018 in PDF full version. Additional info + preview on request

Document status: Active

High-voltage switchgear and controlgear - Guide for asymmetrical short-circuit breaking test duty T100a. Original standard PD IEC TR 62271-308-2002 in PDF full version. Additional info + preview on request

Document status: Withdrawn

High-voltage switchgear and controlgear - Guidance for the transferability of type tests of high-voltage/low-voltage prefabricated substations. Original standard PD IEC TR 62271-312-2021 in PDF full version. Additional info + preview on request

Document status: Active

Fuel cell technologies - Test methods. Status of accelerated tests for fuel cell stacks and components and perspectives for standardization. Original standard PD IEC TR 62282-7-3-2025 in PDF full version. Additional info + preview on request

Document status: Active

Optical fibres. Guidance for nuclear radiation tests. Original standard PD IEC TR 62283-2010 in PDF full version. Additional info + preview on request

Document status: Active