Circutor CEM-C31-485-DS, Instruction Manual

Page: 48 / 58

8�- TECHNICAL FEATURES
Power supply
Mode Auxiliary
Rated voltage
CEM-C31-T1-MID
CEM-C31-485-T1-MID
CEM-C31-485-DS-MID
CEM-C31-T1
CEM-C31-485-T1
CEM-C31-485-DS
230 V ~ 230 V ~ / 400 V ~
(17)
Tolerance ± 20 %
Frequency 50...60Hz
Consumption
< 2 W
< 10VA (In, Vref (without auxiliary services))
Voltage Measurement
Connection
Three-phase
Reference voltages 3x57/100 ... 3x230/400V ~
Frequency
(17)
50 Hz, 60 Hz or 50/60 Hz
Self-consumption of the voltage
circuit
< 2 W
< 10VA (In, Vref (without auxiliary services))
(17)
according to version.
Current measurement
(17)
Current (Ib / Iref) 5 A
Maximum current (Imax) 10 A
Start-up current 0.04% de Itr
Self-consumption of the current circuit 0.3 VA @ 10 A
Itr
0.250 A
Ist
0.010 A
Imin
0.050 A
Maximum overcurrent time
( 20xImax) ( according to EN-50470-3)
500 ms
Accuracy
Active Energy
CEM-C31-T1-MID
CEM-C31-485-T1-MID
CEM-C31-485-DS-MID
CEM-C31-T1
CEM-C31-485-T1
CEM-C31-485-DS
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 (Models CEM-C31-T1 and CEM-C31-485-T1)
Type Optocoupler
Operation Emission of impulses proportional to the energy
Electrical features Max. 24V 50mA
48
CEM-C31
Instruction Manual