
Household and similar electrical appliances Safety Part 2.51 Particular requirements for stationary circulation pumps for heating and service water installations
出版:Standards Australia

专家解读视频
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 appliances and 480 V for other appliances. NOTE The hydraulic and electrical parts of the pump may be in the same enclosure, so that the water flows through the motor and serves as a coolant, or they may be separated.