Draft Document - Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Transportation (IEC/TR 60721-4-2:2001 + A1:2003)
文件草案——IEC 60721-3环境条件等级与IEC 60068环境试验的相关性和转换指南——运输（IEC/TR 60721-4-2-2001+A1-2003）

2004-11-01

Draft Document - Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Ship environment (IEC/TR 60721-4-6:2001 + A1:2003)
文件草案——IEC 60721-3环境条件等级与IEC 60068环境试验的相关性和转换指南——船舶环境（IEC/TR 60721-4-6-2001+A1-2003）

2004-11-01

Draft Document - Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Ground vehicle installations (IEC/TR 60721-4-5:2001 + A1:2003)
文件草案——IEC 60721-3环境条件等级与IEC 60068环境试验的相关性和转换指南——地面车辆安装（IEC/TR 60721-4-5-2001+A1-2003）

2004-11-01

Draft Document - Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Portable and non-stationary use (IEC/TR 60721-4-7:2001 + A1:2003)
文件草案——IEC 60721-3环境条件等级与IEC 60068环境试验的相关性和转换指南——便携式和非固定使用（IEC/TR 60721-4-7:2001+A1:2003）

2004-11-01

Draft Document - Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Stationary use at weatherprotected locations (IEC/TR 60721-4-3:2001 + A1:2003)
文件草案——IEC 60721-3环境条件等级与IEC 60068环境试验的相关性和转换指南——在受天气保护的位置固定使用（IEC/TR 60721-4-3-2001+A1-2003）

2004-11-01

Draft Document - Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental test of IEC 60068 - Stationary use at non-weatherprotected locations (IEC/TR 60721-4-4:2001 + A1:2003)
文件草案.IEC 60721-3环境条件等级与IEC 60068环境试验的相关性和转换指南.非天气保护位置的固定使用（IEC/TR 60721-4-4-2001+A1-2003）

2004-11-01

Draft Document - Power transformers - Additional European requirements - Part 2-1: Medium power transformer - General requirements; German version EN 50708-2-1:2020
文件草案——电力变压器——欧洲附加要求——第2-1部分:中型电力变压器——一般要求；德文版EN 50708-2-1:2020

2022-02-01

Draft Document - Power transformers - Additional European requirements - Part 1-1: Common part - General requirements; German version EN 50708-1-1:2020
文件草案-电力变压器-附加欧洲要求-第1-1部分:通用部分-一般要求；德文版EN 50708-1-1:2020

2022-02-01

Draft Document - Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance (IEC 86B/4253/CDV:2019); German and English version EN IEC 61753-1:2018/prA1:2019
文件草案——光纤互连器件和无源元件——性能标准——第1部分:总则和指南（IEC 86B/4253/CDV:2019）；德语和英语版本EN IEC 61753-1:2018/prA1:2019

2020-10-01

Draft Document - Safety of transformers,reactors, power supply units and combinations thereof - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units (IEC 96/393/CDV:2012); German version EN 61558-2-16:2009/FprA1:2012
文件草案——变压器、电抗器、电源装置及其组合的安全——第2-16部分:开关电源装置和开关电源装置用变压器的特殊要求和试验（IEC 96/393/CDV:2012）；德文版EN 61558-2-16:2009/FprA1:2012

2012-07-01

Draft Document - Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements; German version EN 50464-1:2007/FprAA:2011
文件草案.最高电压不超过36 kV的设备用50 Hz 50 kVA至2500 kVA的三相油浸式配电变压器.第1部分:一般要求；德文版EN 50464-1:2007/FprAA:2011

2011-06-01

Draft Document - Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Part 4: Requirements and tests concerning pressurised corrugated tanks; German version EN 50464-4:2007/FprAA:2011
文件草案——最高电压不超过36 kV的设备用50 Hz、50 kVA至2500 kVA的三相油浸式配电变压器——第4部分:关于压力波纹罐的要求和试验；德文版EN 50464-4:2007/FprAA:2011

2011-06-01