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Publication details

Publication CODE Title
NBN EN 61857-21:2009 (2009-07) ELECTRICAL INSULATION SYSTEMS PROCEDURES FOR THERMAL EVALUATION PART 21: SPECIFIC REQUIREMENTS FOR GENERAL-PURPOSE MODELS WIRE-WOUND APPLICATIONS
 
Price Excl. VAT Total number of pages, tables and drawings
25.00 € 3 P..
Description
Describes a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound electrical insulation systems (EIS) where specific electrotechnical products are not available or required.
Class  C26  (ELECTRICAL MANUFACTURE - ELECTROTECHNICAL MATERIALS INSULATING MATERIALS)
Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally only available in English or French. Only the cover page is translated and the document itself is in English or in French.

Very important notice: 98% of the text of the NBN EN 55XXX, NBN EN 6XXXX comes from the IEC text which is NOT included. This text can be ordered here: IEC 61857-21:2009. For the series NBN EN 50XXX, the standards are however complete.

DE version
EN version
FR version
NL version
Status
Status Registered trilingual Belgian standard EN or FR or DE
Situation Currently active
Replaces  NBN EN 61857-21:2005
Origin
Committee TC 112
Evaluation and qualification of electrical insulating materials and systems
Responsible Monsieur DE LEEUW Thierry, Technical Officer
Diamant Building Bd Auguste Reyers, 80
1030  BRUXELLES
Phone: +32 2 706 85 72
E-mail: thierry.deleeuw@ceb-bec.be
Approval
BEC Approval 2009-06-01
NBN Approval 2009-11-20
Belgian Official Journal 2010-01-06
Registration 96749
ICS-Code (International Standards Classification) 29.080.30
NBN Status New
Date of ratification (d.o.r.) 2009-06-01
Date of availability (d.a.v.) 2009-07-10
Date of announcement (d.o.a.) 2009-09-01
Date of publication (d.o.p.) 2010-03-01
Date of withdrawal former edition (d.o.w.) 2012-06-01
Correspondences with international standards
Relation International standard Date
is identical to EN 61857-21:2009 2009-07-10
is identical to IEC 61857-21:2009/ed. 3.0 2009-05-13