• Your shopping cart is empty!

  • IEC 61643-21 Amd.1 Ed. 1.0 b:2008

IEC 61643-21 Amd.1 Ed. 1.0 b:2008

Amendment 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

International Electrotechnical Commission, 04/25/2008

Publisher: IEC

File Format: PDF

$95.00$190.00


Published:25/04/2008

Pages:41

File Size:1 file , 1.1 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

More IEC standard pdf

IEC 60794-2-31 Ed. 1.0 b:2005

IEC 60794-2-31 Ed. 1.0 b:2005

Optical fibre cables - Part 2-31: Indoor cables - Detailed specification for optical fibre ribbon cables for use in premises cabling

$27.00 $55.00

IEC 62323 Ed. 1.0 b:2005

IEC 62323 Ed. 1.0 b:2005

Dimensions of half pot-cores made of ferrite for inductive proximity switches

$11.00 $23.00

IEC 61185 Ed. 2.0 en:2005

IEC 61185 Ed. 2.0 en:2005

Ferrite cores (ETD-cores) intended for use in power supply applications - Dimensions

$39.00 $79.00

IEC 62323 Ed. 1.0 en:2005

IEC 62323 Ed. 1.0 en:2005

Dimensions of half pot-cores made of ferrite for inductive proximity switches

$19.00 $38.00