Household and similar electrical appliances - Safety - Part 2-51: Particular requirements for stationary circulation pumps for heating and service water installations
|Publication Date:||1 August 2003|
|ICS Code (Pumps):||23.080|
|ICS Code (Central heating systems):||91.140.10|
Deals with the safety of stationary electric 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 is not more than 250 V for single-phase appliances and 480 V for other appliances. Hydraulic and electric parts of the pump may be in the same enclosure, so that the water server as a coolant, or they may be seperate.