• 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 60050-131 Amd.5 Ed. 2.0 b:2021

IEC 60050-131 Amd.5 Ed. 2.0 b:2021

Amendment 5 - International Electrotechnical Vocabulary (IEV) - Part 131: Circuit theory

$6.00 $13.00

IEC 60958-1 Ed. 4.0 en:2021

IEC 60958-1 Ed. 4.0 en:2021

Digital audio interface - Part 1: General

$117.00 $234.00

IEC 60747-8 Amd. 1 Ed. 3.0 e:2021

IEC 60747-8 Amd. 1 Ed. 3.0 e:2021

Amendment 1 to Semiconductor devices - Discrete devices - Part 8: Field-effect transistors

$25.00 $51.00

IEC 63044-4 Ed. 1.0 b:2021

IEC 63044-4 Ed. 1.0 b:2021

Home and building electronic systems (HBES) and building automation and control systems (BACS) - Part 4: General functional safety requirements for products intended to be integrated in HBES and BACS

$139.00 $278.00