AS/NZS 60335.2.51:2006 Household and similar electrical appliances - Safety - Particular requirements for stationary circulation pumps for heating and service water installations (IEC 60335-2-51 Ed 3, IDT)
This International Standard 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
1970AS/NZS 60335.2.51:2012 Particular requirements for stationary circulating pumps used in safety heating and drinking water installations for household and similar appliances
1970AS/NZS 60335.2.51:2006 Household and similar electrical appliances - Safety - Particular requirements for stationary circulation pumps for heating and service water installations (IEC 60335-2-51 Ed 3, IDT)