• IEC 61857-21 Ed. 2.0 b:2004

IEC 61857-21 Ed. 2.0 b:2004

Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications

International Electrotechnical Commission, 08/27/2004

Publisher: IEC

File Format: PDF

$33.00$66.00


Published:27/08/2004

Pages:29

File Size:1 file , 280 KB

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

Describes a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound EIS where specific electrotechnical products are not available or required. This edition constitutes a technical revision by merging Part 23 into Part 21.

More IEC standard pdf

IEC 62317-14 Ed. 1.0 b:2008

IEC 62317-14 Ed. 1.0 b:2008

Ferrite cores - Dimensions - Part 14: EFD-cores for use in power supply applications

$23.00 $47.00

IEC 60482 Ed. 1.0 b:1975

IEC 60482 Ed. 1.0 b:1975

Dimensions of electronic instrument modules (for nuclear electronic instruments)

$26.00 $53.00

IEC 60810 Amd.1 Ed. 3.0 b:2008

IEC 60810 Amd.1 Ed. 3.0 b:2008

Amendment 1 - Lamps for road vehicles - Performance requirements

$11.00 $22.00

IEC 60838-1 Ed. 4.1 b:2008

IEC 60838-1 Ed. 4.1 b:2008

Miscellaneous lampholders - Part 1: General requirements and tests CONSOLIDATED EDITION

$145.00 $290.00