power consumption

This typetest is also called burden measurement. Applicable standards IEC62053-21, IEC62053-22

The active and apparent power consumption in each circuit of a meter at reference voltage, reference temperature and reference frequency shall not exceed the values shown below.


Cl. 0.2 S Cl. 0.5 S Cl. 1 Cl. 2
Voltage circuits 2 W, 10 VA 2 W, 10 VA 2 W, 10 VA 2 W, 10 VA
Current circuits 1 VA 1 VA 4.0 VA 2.5 VA

Published by

Reinhard Günther

Reinhard Günther

more than 30 years experience in energy metering