14
COUNTIS E23/E24 - Ref.: 542 103 A
11. Electrical and Technical characteristics
Generalities
Case 4 DIN 43880 modules
Mounting DIN EN 60715 rail
Width 72 mm
Operating specications
Connectivity Three-phase - 4-wire 230/400V
Storageofenergyvaluesandconguration Yes: EEPROM
Tariffdisplayidentier T1 and T2
Power supply
CertiedvoltageUn 230 VAC
Operating voltage range 184 ... 276 VAC
Certiedfrequencyfn 50 Hz
Rated power consumption (max.) Pv ≤8VA(0.6W)
Overload
Direct voltage Un 480 VAC phase/phase
Instantaneous voltage Un (1 s) 800 V phase/phase
Direct current Imax 63 A
Instantaneous current Imax (10 ms) 1890 A
Display
Screen 9 digits (2 decimal places)
Active energy: 1 9-digit screen 0.01 -> 9999999.99 kWh
Measurement updating period 1 s
Measurement accuracy
Active power and energy (E23) Class 1 IEC 62053-21
Active power and energy (E24) Class B EN 50470-3
Input measurement
Connection type 400 V phase/phase
Voltage measurement range 184 ... 276 VAC phase/N
Current Iref 5 A
Current Imin 0.25 A
Current measurement range (Ist ... Imax) 0.015 ... 63 A
Certiedfrequency 50 Hz
Start-up current for energy measurement (Ist) 15 mA
Optical interfaces
Pulse value 1 Wh/imp
Safety
Internal meter yes
Degree of pollution 2
Operating voltage 300 VAC
AC voltage test (EN 50470-3, 7.2) 4 kV
Voltage pulse test 6 kV
Protection class (EN 50470) Class II
Casereresistanceclass Class V0
Integrated communication
MODBUS 2400 to 38,400 bps
Connection terminals
Cross-section of phase connections exibleorrigid:1.5to35mm
2
Cross-section of tariff and communication connections exible1.5to2.5/rigid1to4mm
2
Environmental conditions
Mechanical environment M1
Electromagnetic environment E2
Operating temperature -25 ... +55°C
Storage temperature -25 ... +70°C
Relative humidity ≤80%
Amplitude of 50 Hz vibrations ±0.075 mm
IP rating IP51(*)/IP20
(*) For installation in an enclosure with at least IP51 protection.
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