Ngày tải lên: 25/12/2013, 10:25
Ngày tải lên: 25/12/2013, 10:26
iec 60079-1 electrical apparatus for explosive gas atmospheres - flameproof enclosures ''''''''d''''''''
... Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international ... uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence...
Ngày tải lên: 25/12/2013, 10:37
iec 60269-1 low-voltage fuses - general requirements
... Copyright International Electrotechnical Commission Provided by IHS under license with IEC Document provided by IHS Licensee=/5943408001, 03/29/2004 21:18:54 MST Questions or comments ... `,,`,`,``,````,,,,,`,````,```-`-`,,`,,`,`,,` Copyright International Electrotechnical Commission Provided by IHS under license with IEC Document provided by IHS Licensee=/5943408001, 03/29/2004 21:18:...
Ngày tải lên: 25/12/2013, 10:53
iec 60332-1 tests on electric cables under fire conditions - test on a single vertical insulated
Ngày tải lên: 25/12/2013, 10:59
iec 60439-1 low-voltage switchgear and controlgear assemblies - type-tested and partially ty
... `,,``,``,`,``,``,``,`,```,,`-`-`,,`,,`,`,,` 60439-1 © IEC: 1999+A1:2004 – 15 – IEC 60050(471):1984, International Electrotechnical Vocabulary (IEV) – Chapter 471: Insulators IEC 60050(604):1987, International ... electricity – Operation IEC 60060, High-voltage test techniques IEC 60071-1:1976, Insulation co-ordination – Part 1: Terms, definitions, principles and rules IEC 6...
Ngày tải lên: 25/12/2013, 11:00
iec 60502-1 power cables with extruded insulation and their accessories for rated voltages
... made on a test piece of sheath about 50 mm in length, removed from the completed cable. The piece shall be slit longitudinally and carefully flattened. After cleaning the test piece, a sufficient ... The test method shall be in accordance with Clause 8 of IEC 60811-1-1. Each cable length selected for the test shall be represented by a piece of cable taken from one end after having disc...
Ngày tải lên: 25/12/2013, 11:08