BS EN 61857-21:2009

BS EN 61857-21:2009

October 2009
Standard Current

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

Main informations

Collections

BSI English standards

Publication date

October 2009

Number of pages

22 p.

Reference

BS EN 61857-21:2009

ICS Codes

29.080.30   Insulation systems

Print number

1

International kinship

IEC 61857-21:2009

European kinship

EN 61857-21:2009
Standard replaced by (1)
BS EN 50488:2021
February 2021
Standard Current
Railway applications. Fixed installations. Electrical protective measures for working on or near an overhead contact line system and/or its associated return circuit

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