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

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

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Harmonized under:
  • 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 Text with EEA relevance

Harmonized standards:


Deals with the safety of electric stationary circulation pumps intended for use in heating systems or in service water systems, having a rated power input not exceeding 300 W, their rated voltage being not more than 250 V for single-phase and 480 V for other appliances. Hydraulic and electric parts of the pump may be in the same enclosure, so that the water serves as a coolant, or they maybe seperate. This standard does not apply to pumps for circulating liquids other than water; pumps, other than circulation pumps (EN 60335-2-41); circulation pumps intended exclusively for industrial purposes; circulation pumps intended for locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapor, or gas).
This standard however, in general, does not take into account the use of appliances by
- persons (including children) whose
* physical, sensory or mental capabilities; or
* lack of experience and knowledge
prevent them from using the appliance safely without supervision or instruction;
- children playing with the appliance.

Number of pages: 8

Published: 2008-08-22

Date of approval: 2008-07-23

International relationships : EN 60335-2-51:2003/A1:2008 IDT IEC 60335-2-51:2002/AMD1:2008 IDT

ICS: 23.080 - Pumps 91.140.10 - Central heating systems 91.140.65 - Water heating equipment

Item number: M222292



  • CLC/TC 61
  • IEC/TC 61

Danish committee