Accuracy class
Class 1 (EN 62053-21)
Class B (EN 50470-3)
Electric strength
4 kV (EN 50470-3, 7.2)
6 kV
Supply voltage range
Supply from the measuring circuit
Input voltage range
230 V AC ... 400 V AC -20 % ... +15 %
Minimum current I<sub>min</sub>
Limiting current I<sub>max</sub>
Transient current I<sub>tr</sub>
Reference current I<sub>ref</sub>
Active energy (EN 50470-3)
Real energy (IEC 62053-21)
Reactive power (IEC 62053-23)
Conductor cross-section rigid
1 mm² ... 2.5 mm²
1.5 mm² ... 25 mm²
Conductor cross-section flexible
Optimum ambient temperature (storage/transport)
Ambient temperature (operation)
Ambient temperature (storage/transport)
Max. permissible relative humidity (operation)