EN 50428:2005/A1:2007

SLOVENSKI STANDARD
SIST EN 50428:2006/A1:2007
01-december-2007
6WLNDOD]DJRVSRGLQMVWYDLQSRGREQHQHSUHPLþQHHOHNWULþQHLQãWDODFLMH±
6SUHPOMHYDOQLVWDQGDUG±6WLNDODLQSULSDGDMRþLSULERU]DXSRUDERHOHNWURQVNLK
VLVWHPRYGRPDLQYVWDYEDK
Switches for household and similar fixed electrical installations - Collateral standard -
Switches and related accessories for use in home and building electronic systems
(HBES)
Schalter fr Haushalt und hnliche ortsfeste elektrische Installationen - Ergnzungsnorm -
Schalter und hnliches Installationsmaterial zur Verwendung in elektronischer
Systemtechnik fr Heim und Gebude (ESHG)
Interrupteurs pour installations lectriques fixes domestiques et analogues - Norme
collatrale - Interrupteurs et appareils associs pour usage dans les systmes lectroniques
des foyers domestiques et btiments (HBES)
Ta slovenski standard je istoveten z: EN 50428:2005/A1:2007
ICS:
29.120.40 Stikala Switches
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
SIST EN 50428:2006/A1:2007 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

EUROPEAN STANDARD
EN 50428/A1

NORME EUROPÉENNE
October 2007
EUROPÄISCHE NORM

ICS 29.120.40; 97.120


English version


Switches for household and similar fixed electrical installations -
Collateral standard -
Switches and related accessories for use in home
and building electronic systems (HBES)


Interrupteurs pour installations électriques Schalter für Haushalt und ähnliche
fixes domestiques et analogues - ortsfeste elektrische Installationen -
Norme collatérale - Ergänzungsnorm -
Interrupteurs et appareils associés Schalter und ähnliches
pour usage dans les systèmes Installationsmaterial zur Verwendung
électroniques des foyers domestiques in elektronischer Systemtechnik
et bâtiments (HBES) für Heim und Gebäude (ESHG)




This amendment A1 modifies the European Standard EN 50428:2005; it was approved by CENELEC on
2007-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this amendment the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This amendment exists in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CENELEC member into its own language and notified to the
Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia,
Slovenia, Spain, Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels


© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50428:2005/A1:2007 E

---------------------- Page: 2 ----------------------

EN 50428:2005/A1:2007 - 2 -
Foreword

This amendment was prepared by the Technical Committee CENELEC TC 23B, Switches for household
and similar fixed electrical installations.

The text of the draft was submitted to the formal vote and was approved by CENELEC as amendment A1
to EN 50428:2005 on 2007-10-01.

The following dates were fixed:

- latest date by which the amendment has to be implemented
 at national level by publication of an identical
 national standard or by endorsement (dop) 2008-10-01

- latest date by which the national standards conflicting
 with the amendment have to be withdrawn (dow) 2010-10-01

This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and covers essential requirements of
EC Directive 2004/108/EC. See Annex ZZ.

---------------------- Page: 3 ----------------------

- 3 - EN 50428:2005/A1:2007

1 Scope

st th
Replace the 1 sentence of the 7 paragraph by:

Functional safety aspects of HBES switches are not covered by this standard.

th
Replace the 8 paragraph by:

In locations where special conditions prevail, e.g. higher temperature, special constructions may be
required.


3 Definitions

Add the following new definition:

3.200
HBES, Home and Building Electronic Systems
a multi-application system where the functions are decentrally distributed and linked through a common
communication process
(EN 50090-2-3, 3.10)

NOTE HBES is used in homes and buildings plus their surroundings. Functions of the system are e.g.: switching, open loop
controlling, closed loop controlling, monitoring and supervising.


7 Classification

Add the following new classification:

7.1.202 according to the installation environment:

– switches intended to be used in SELV/PELV environment only;
– switches intended to be used in SELV/PELV and/or mains environment.


10 Protection against electric shock

Delete the paragraph before the compliance.


13 Constructional requirements

Add the following new subclause:

13.201 The ends of leads of HBES switches, if any, may be prepared but pre-soldering shall not
be used.

Compliance is checked by inspection.

---------------------- Page: 4 ----------------------

EN 50428:2005/A1:2007 - 4 -
16 Insulation resistance and electric strength

Replace Table 14 by:

Table 14 – Test voltage, points of application and minimum values
of insulating resistance for the verification of dielectric strength
9 Between main supply circuits and SELV and PELV 7 3 750
circuits
10 Between a SELV or PELV circuit below 25 V a.c. - 500 500
and a SELV or PELV circuit above 25 V a.c.
11 Between a SELV or PELV circuit above 25 V a.c - 500 500
and accessible surfaces (see Clause 10)
12 Between a SELV and PELV circuits - 500 500


23 Creepage distances, clearances and distances through sealing compound

23.201 Specification of insulation

st
Replace the 1 sentence by:

The following parameters apply:

23.203 Dimensioning of clearances of basic, double or reinforced insulation between circuits

st
Delete the 1 paragraph.

nd
Replace the 2 paragra
...