Specifications
Mechanical characteristics
|
IP degree of protection (IEC 60529-1) |
Front display: IP51 |
|
Mounting position |
Vertical |
|
Display type |
Blue backlight with 7-digit LCD |
|
Keypad |
Down-arrow and up-arrow buttons |
|
Front panel LED indicators |
Reactive energy consumption LED (A=10000 imp/kVARh) Active energy consumption LED (B=10000 imp/kWh) |
|
Dimensions W x H x D |
35.8 x 96.7 x 63 mm (1.41 x 3.81 x 2.48 in) |
Electrical characteristics
Measurement accuracy
|
Measurement type |
Class of accuracy as per standard |
% Error of reading |
|---|---|---|
|
Active energy |
Class B as per EN 50470-1/3 Class 1 as per IEC 62053-21 |
±1% |
|
Reactive energy |
Class 2 as per IEC 62053-23 |
±2% |
|
Active power |
– |
±1% |
|
Apparent power |
– |
±1% |
|
Reactive power |
– |
±2% |
|
Current |
– |
±0.5% |
|
Voltage |
– |
±0.5% |
|
Frequency |
– |
±0.05% |
|
Power factor |
– |
±0.01 count |
Voltage inputs
|
Nominal voltage (U) |
230 V L-N AC |
|
Operational voltage |
195 to 253 V L-N AC |
|
Insulation capabilities |
AC voltage withstand: 4 KV for 1 minute Impulse voltage withstand: 6 KV for 1.2 μS waveform (UC2, IEC 62052-31) |
|
Operational frequency |
50 Hz ± 10% |
Current inputs
|
Basic current (Ib) |
5 A |
|
Maximum rated current (Imax) |
100 A |
|
Operational current |
0.4%Ib – Imax |
|
Over current withstand |
30 Imax for 0.01 s |
|
Operational frequency |
50 Hz ± 10% |
Power consumption
|
Internal power consumption |
≤1 W/Phase - ≤1 VA/Phase |
Pulse characteristics
|
Pulse output rate |
10000 / 2000 / 1000 / 100 / 10 / 1 / 0.1 / 0.01 imp/kWh |
|
Pulse width |
1000 / 100 / 10 / 1 / 0.1 / 0.01 imp/kWh: 31 ms 2000 imp/kWh < 30 kW: 31 ms 2000 imp/kWh > 30 kW: 15 ms 10000 imp/kWh < 6 kW: 31 ms 10000 imp/kWh > 6 kW: 15 ms 10000 imp/kWh > 12 kW: 5 ms |
Environmental characteristics
|
Operating temperature |
-25 °C to +55 °C (-13 °F to +131 °F) |
|
Storage temperature |
-40 °C to +70 °C (-40 °F to +158 °F) |
|
Operating humidity |
≤75% |
|
Storage humidity |
≤95% |
|
Altitude |
≤ 2000 m (6561 ft) above sea level |
|
Electromagnetic environmental class |
E2 |
|
Mechanical environmental class |
M1 |
|
Mounting location |
For indoor use only |
Safety
|
Insulated encased meter of protective class II Double insulation |
Basic errors
|
0.05Ib |
Cosφ = 1 ±1.5% |
|
0.1Ib |
Cosφ = 0.5Lag ±1.5% Cosφ = 0.8Lead ±1.5% |
|
0.1Ib – Imax |
Cosφ = 1 ±1% |
|
0.2Ib – Imax |
Cosφ = 0.5Lag ±1% Cosφ = 0.8Lead ±1% |
M-Bus communication (iEM2435 only)
|
Bus type |
M-bus |
|
Baud rate |
300, 600, 1200, 2400 (default), 4800 and 9600 |
|
Address range |
0 – 250 user configurable |
|
Range |
≤1000 m |
|
Protocol |
EN13757-3 |
|
Unit loads |
±2 |
|
Maximum number of meters |
64 * |
RS-485 Modbus communication (iEM2455 only)
|
Bus type |
RS-485 |
|
Protocol |
Modbus RTU with 16 bit CRC |
|
Baud rate |
1200, 2400, 4800, 9600, 19200 (default) and 38400 |
|
Address range |
1 – 247 user configurable |
|
Maximum bus load |
60 meters per bus |
|
Range |
1000 m |
Data retention
|
>10 years without power |