EN 60335-2-51:2003/A1:2008

Household and similar electrical appliances - Safety - Part 2-51: Particular requirements for stationary circulation pumps for heating and service water installations

Outcome of TC 61 meeting in November 2007: dow of 60 months for those amendments which bring a change in the scope concerning the limitation clause  (see also BT132/DG7310/INF)

Sicherheit elektrischer Geräte für den Hausgebrauch und ähnliche Zwecke - Teil 2-51: Besondere Anforderungen für ortsfeste Umwälzpumpen für Heizungs- und Brauchwasseranlagen

Appareils électrodomestiques et analogues - Sécurité - Partie 2-51: Règles particulières pour les pompes de circulation fixes pour installations de chauffage et de distribution d'eau

Gospodinjski in podobni električni aparati - Varnost - 2-51. del: Posebne zahteve za vgrajene obtočne črpalke za grelne sisteme in vodovodne inštalacije (IEC 60335-2-51:2002/A1:2008)

Obravnava varnost vgrajenih električnih obtočnih črpalk za uporabo v grelnih sistemih ali vodovodnih inštalacijah z vhodno nazivno močjo, ki ne presega 300 W, pri čemer njihova nazivna napetost ne presega 250 V za enofazne aparate in 480 V za druge aparate. Hidravlični in električni deli črpalke so lahko v istem ohišju, pri čemer voda deluje kot hladilno sredstvo, ali po so nameščeni ločeno.

General Information

• Status: Published
• Publication Date: 26-Jun-2008
• Withdrawal Date: 30-Apr-2013
• ICS: 23.080 - Pumps
• ICS: 91.140.10 - Central heating systems
• Technical Committee: CLC/TC 61 - Safety of household and similar electrical appliances
• Drafting Committee: IEC/TC 61 - IEC_TC_61
• Parallel Committee: IEC/TC 61 - IEC_TC_61
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 27-Jun-2008
• Completion Date: 27-Jun-2008
• Directive: 2006/95/EC - Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)
• Directive: 2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
• Directive: 2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Ref Project: SIST EN 60335-2-51:2003/A1:2008 - Household and similar electrical appliances - Safety -- Part 2-51: Particular requirements for stationary circulation pumps for heating and service water installations

Relations

• Replaced By: EN IEC 60335-2-51:2023 - Household and similar electrical appliances - Safety - Part 2-51: Particular requirements for stationary circulation pumps for heating and service water installations
• Effective Date: 23-Jan-2023
• Amends: EN 60335-2-51:2003 - Household and similar electrical appliances - Safety - Part 2-51: Particular requirements for stationary circulation pumps for heating and service water installations
• Effective Date: 28-Jan-2023

Overview

EN 60335-2-51:2003/A1:2008 is a European standard developed by CLC (European Committee for Electrotechnical Standardization) detailing particular safety requirements for stationary circulation pumps used in household and similar electrical appliances. Specifically, it targets pumps designed for heating and service water installations, ensuring these devices operate safely under normal and foreseeable abnormal conditions.

This standard amends and supplements the original EN 60335-2-51:2003, offering updated requirements harmonized with IEC 60335-2-51:2002/A1:2008. It highlights safety concerns related to electrical, mechanical, and thermal hazards in circulation pumps, thus supporting manufacturers, testing laboratories, and regulatory bodies in complying with essential safety criteria within the EU and CENELEC member countries.

Key Topics

• Scope and Applicability
  EN 60335-2-51:2003/A1:2008 applies to stationary circulation pumps used primarily in central heating and service water systems within households or similar settings. It covers products that may come into contact with users including vulnerable groups like children and persons with reduced sensory or mental capabilities.

• Safety Requirements
  The standard focuses on preventing risks such as electrical shock, mechanical injury, overheating, fire hazards, and malfunction due to electromagnetic interference. It integrates both general requirements from IEC 60335-1 and particular demands for circulation pumps, ensuring comprehensive safety coverage.

• Thermal and Electrical Design Considerations
  It mandates testing methods to assess temperature limits on accessible surfaces, leveraging ergonomics standards like ISO 13732-1 for hot surface tolerance. Electrical insulation, protection against water ingress, and correct installation clearances are emphasized to avoid hazardous situations.

• Abnormal and Foreseeable Conditions
  The amendment stresses that safety evaluations also include abnormal operational scenarios realistically expected in practice, such as power surges or blockages, to maintain safe pump operation over their lifecycle.

• Implementation Dates and Regulatory Impact
  The amendment was approved in May 2008 and required adoption in national standards by February 2009, with conflicting standards to be withdrawn by May 2013. This timeline underscores its legal and market significance within Europe.

Applications

EN 60335-2-51:2003/A1:2008 serves as a crucial reference for:

• Pump Manufacturers
  Designing and producing stationary circulation pumps that meet rigorous electrical and mechanical safety standards, reducing liability and enhancing product reliability.

• Product Testing and Certification Bodies
  Evaluating circulation pumps against harmonized European and international criteria to grant CE marking and market access within the EU.

• Heating System Installers and Developers
  Ensuring the selected pumps comply with safety norms to prevent accidents and system failures in residential and commercial heating applications.

• Regulatory Authorities
  Implementing and enforcing appliance safety directives such as the Low Voltage Directive (LVD), contributing to consumer protection and standardization.

Related Standards

• IEC 60335-1
  General safety requirements for household and similar electrical appliances; EN 60335-2-51 supplements this for circulation pumps.

• ISO 13732-1
  Ergonomics of the thermal environment - Methods for assessing human responses to contact with hot surfaces, referenced for thermal safety in pump design.

• EN 60335 Series
  A family of standards covering safety aspects of various household electrical appliances, providing a framework that EN 60335-2-51 fits within.

• CENELEC and National Standards
  Adoption and endorsement of this amendment by CENELEC members harmonizes safety requirements across European markets while allowing national standard bodies to implement the text without modifications.

---

By adhering to EN 60335-2-51:2003/A1:2008, manufacturers and stakeholders ensure that stationary circulation pumps used in heating and service water installations meet stringent safety benchmarks, fostering reliable, safe operation and compliance with legal obligations in domestic and similar environments.

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2008
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]DYJUDMHQHREWRþQHþUSDONH]DJUHOQHVLVWHPHLQYRGRYRGQHLQãWDODFLMH,(&
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Household and similar electrical appliances - Safety - Part 2-51: Particular requirements
for stationary circulation pumps for heating and service water installations
Sicherheit elektrischer Geräte für den Hausgebrauch und ähnliche Zwecke - Teil 2-51:
Besondere Anforderungen für ortsfeste Umwälzpumpen für Heizungs- und
Brauchwasseranlagen
Appareils électrodomestiques et analogues - Sécurité - Partie 2-51: Regles particulieres
pour les pompes de circulation fixes pour installations de chauffage et de distribution
d'eau
Ta slovenski standard je istoveten z: EN 60335-2-51:2003/A1:2008
ICS:
23.080 ýUSDONH Pumps
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 60335-2-51/A1
NORME EUROPÉENNE
June 2008
EUROPÄISCHE NORM
ICS 23.080; 91.140.10
English version
Household and similar electrical appliances -
Safety -
Part 2-51: Particular requirements for stationary circulation pumps
for heating and service water installations
(IEC 60335-2-51:2002/A1:2008)
Appareils électrodomestiques  Sicherheit elektrischer Geräte
et analogues - für den Hausgebrauch
Sécurité - und ähnliche Zwecke -
Partie 2-51: Règles particulières Teil 2-51: Besondere Anforderungen
pour les pompes de circulation fixes für ortsfeste Umwälzpumpen
pour installations de chauffage für Heizungs- und Brauchwasseranlagen
et de distribution d'eau (IEC 60335-2-51:2002/A1:2008)
(CEI 60335-2-51:2002/A1:2008)
This amendment A1 modifies the European Standard EN 60335-2-51:2003; it was approved by CENELEC
on 2008-05-01. 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

© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60335-2-51:2003/A1:2008 E

Foreword
The text of document 61/3556/FDIS, future amendment 1 to IEC 60335-2-51:2002, prepared by
IEC Technical Committee 61, Safety of household and similar electrical appliances, was submitted to the
IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60335-2-51:2003
on 2008-05-01.
The following dates are applicable:
- latest date by which the amendment has to be
implemented at national level by publication of
an identical national standard or by endorsement (dop) 2009-02-01
- date on which national standards conflicting
with the amendment have to be withdrawn (dow) 2013-05-01
This amendment supplements or modifies the corresponding clauses of EN 60335-2-51:2003.
There are no special national conditions causing a deviation from this amendment.
There are no national deviations from this amendment.
p NOTE  In this document, p is used in the margin to indicate instructions for preparing
...