IEC 61857-21 Revised
IEC 61857-21:1998
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose model - Wire-wound applications
This general purpose model (GPM) can be used for the evaluation of wire-wound electrical insulation systems where specific electrotechnical products are not available or required.
CHFÂ 40.-
A more recent version of this publication exists:
IEC 61857-21:2009
Technical committee
TC 112 Evaluation and qualification of electrical insulating materials and systems| Publication type | International Standard |
| Publication date | 1998-11-16 |
| Edition | 1.0 |
| ICS | 29.080.30 |
| Withdrawal date | 2004-08-27 |
| ISBN number | 283184553X |
| Pages | 19 |
| File size | 132.25 KB |