Electric cables Guide to use for cables with a rated voltage not exceeding 450/750 V Part 3:National standard cables not included in HD 21 and HD 22 Together with BS 7540-1:2005 and BS 7540-2:2005 supe...
适用范围:To be read in conjunction with BS 7540-1:2005
实施日期:2005-07-22
适用范围:标准规定了航空用低压缩永久变形氟橡胶的质量要求,可作为生产和使用部门的检验依据。 本标准规定的胶料主要用于制造工作于空气,石油基滑油、燃油和液压油,硅酸酯和双酯类合成滑油中的活动和固定密封件。本胶料除具有良好...
发布日期:1983-05-23 实施日期:1983-07-01
实施日期:2002-07-01
实施日期:2006-01-16
International lamp coding system (ILCOS)
适用范围:IEC 61231:2010 gives the rules for the international lamp coding system and covers all lamp categories, excluding vehicle lamps. Coding for the main lamp types is specified and, for the others, will fo...
发布日期:2010-01-14 实施日期:2010-01-14
Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV)
实施日期:2004-03-01
Small craft -- Electrical systems -- Extra-low-voltage d.c. installations
发布日期:2000-12-01 实施日期:2000-12-01
Technical specification for thyristor switched low voltage filter
适用范围:本标准规定了低压晶闸管投切滤波装置的使用条件、技术要求、试验类别、试验项目、试验条件、试验方法、标志、包装、运输与储存等。本标准适用于交流频率50Hz、标称电压1kV以下的供配电系统中,用晶闸管或复合开关投切的滤波装置。...
发布日期:2010-05-24 实施日期:2010-10-01
Niederspannungsschaltgeraete. Steuergeraete und Schaltelemente. Verfahren zur Abschaetzung der Leistungsfaehigkeit von Schwachstromkontakten. Besondere Pruefungen Low-voltage switchgear and controlgear...
适用范围:This part of IEC 60947 applies to separable contacts used in the utilization area considered, such as switching elements for control circuits. This standard takes into consideration two rated voltage a...
实施日期:2003-12-18
Vordruck fuer Bauartspezifikation. Hochbelastbare Festwiderstaende (Bewertungsstufe S) Harmonized System of Quality Assessment for Electronic Components Blank Detail Specification:Fixed Power Resistors...
适用范围:Fixed resistors, Power resistors, Resistors, Electrical components, Electronic equipment and components, Quality assurance systems, Assessed quality, Qualification approval, Approval testing, Inspectio...
实施日期:1997-09-15
Low-voltage electrical installations. Part 4-444:Protection for safety. Protection against voltage disturbances and electromagnetic disturbances
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