Circutor CEM-C20, Instruction Manual

Page: 31 / 38

5�- TECHNICAL FEATURES
Power supply
Mode
Auxiliary
Rated voltage
CEM-C20 MID CEM-C20
230 V ~ 230 V ~ / 400 V ~
Tolerance ± 20 %
Frequency 50...60Hz
Consumption
< 2 W
< 10VA (In, Vref (without auxiliary services))
Voltage Measurement
Connection Three-phase
Reference voltages
(according to version)
3x127/220 ... 3x230/400 V ~, 3x127/220 V~ or 3x230/400 V ~
Frequency (according to version) 50 Hz, 60 Hz or 50/60 Hz
Self-consumption of the voltage
circuit
< 2 W
< 10VA (In, Vref (without auxiliary services))
Current measurement (according to version)
Current (Ib / Iref) 5 A 10 A
Maximum current (Imax) 65A 60 A
Start-up current 0.04% of Itr 0.04% of Itr
Self-consumption of the current circuit 0.3 VA @ 10 A 0.3 VA @ 10 A
Itr 0.500 A 1.000 A
Ist 0.020 A 0.040 A
Imin
0.250 A 0.500 A
Maximum overcurrent time
( 30xImax) ( according to EN-50470-3)
50Hz 60Hz 50Hz 60Hz
½
cycle
½
cycle
½
cycle
½
cycle
Accuracy
Active Energy
CEM-C20 MID CEM-C20
Class B (EN 50470) Class 1 (IEC 62053-21)
Reactive Energy Class 2.0 (IEC 62053-23)
Insulation
AC voltage
4kV RMS 50Hz during 1 minute
Overimpulse
1�2/50ms 0R source impedance 6 kV at 60º and 240º, with positive and negative polarization
Calculation and processing
Microprocessor ARM
AD converter 16-bit
Impulse output
Type
Optocoupler
Operation
Emission of impulses proportional to the energy
Electrical features Max. 24V 50mA
Impulse ON time
CEM-C20 MID CEM-C20
40 ms 200 ms
No� of maximum impulses per second 12
31
Instruction Manual
CEM-C20