60
RECmax-CVM
Instruction Manual
8.- TECHNICAL FEATURES
Power supply
Mode
Self-powered (L1-N)
Rated voltage
230 V
~
± 20%
Frequency
50 - 60 Hz
Maximum power
7 VA
Uimp 4kV
4 kV
Eearthing systems
VT - TN
Installation category
CAT III 300V
Voltage measurement circuit
Rated voltage (Un)
230 V
~
± 20%
Frequency measurement margin
50 - 60 Hz
Input impedance
400 k
Ω
Installation category
CAT III 300V
Current measurement circuit
Transformer type
RECmax-CVM 2-pole
RECmax-CVM 4-pole
MC1-75/0�25A
MC3-75/0�25A
Rated current (In)
���/250 mA
Current measurement margin
1 ��� 100% In
Minimum current measurement (Istart)
0�2% In
Installation category
CAT III 300V
Measurement accuracy
(9)
Voltage measurement
0�5%
±
1 digit
Current measurement
0�5%
±
1 digit
Neutral current measurement
(10)
5 % (for
I
neutral
> 10% FS)
Active power measurement
1%
± 2
digits
Reactive power measurement
2%
± 2
digits
Active energy measurement
1 %
Reactive energy measurement
2 %
(9)
Accuracy is given by the following measurement conditions: Exclusion of errors provided by the phase current transformer�
(10)
The Neutral current is a value calculated from the vector sum of the measurements of the phase currents�
Earth leakage protection
Sensitivity, I
∆
n
30 mA - 0�1 A - 0�3 A - 0�5 A - 1 A (programmable)
Trip delay (IEC 60947-2-M)
Programmable
External earth leakage transformer
Transformer type
RECmax-CVM 2-pole
RECmax-CVM 4-pole
WGC-20SC
WGC-30SC
Internal diameters
20 mm
30 mm
Rated current (In)
75 A
75 A
Rated motor circuit voltage (Un)
720 V ~
720 V ~
Maximum current (Imax)
450 A
450 A
Maximum short-time withstand current (<
50 ms) (Icw)
1�5 kA
1�5 kA
