4
SEP LEMO12SD / LEM012SS 2015
1.3 Performance criteria:
Operating humidity ≤ 75%
Storage humidity ≤ 95%
Operating temperature -10°C - +50°C
Storage temperature -30°C - +70°C
International standard
IEC 62053-21
Accuracy class
1
Protection against penetration
of dust and water IP51
Insulating encased meter of
protective class
Ⅱ
1.4 Specifications:
Nominal voltage (Un)
230V AC
Operational voltage
161 - 300V AC
Insulation capabilities:
- AC voltage withstand 2KV for 1 minute
- Impulse voltage withstand 6KV – 1.2µS waveform
Basic current (Ib)
5 A
Maximum rated current (Imax)
32 A
Operational current range
0.25A - 32A
Over current withstand
960A for 0.01s
Operational frequency range
50Hz ±10%
Internal power consumption
≤2W / 10VA
Test output flash rate (Red LED)
2000 pulses per kWh (0.5Wh/imp)
Pulse output rate (pins 20 & 21) 2000 pulses per kWh (0.5Wh/imp)
Pulse supply current
Ui max=27V Ii max 27mA
Power supply indicator (Green LED) Meter is connected and working OK
Consumption indicator (Red LED) Flashing at load running
Data display mode 7+1 digits for LCD display
(for the LEM012SS 5 +1digits for mechanical
display 5 integer 1 decimal.
Data save The data can be stored more than 20 years
when power cut.
Wire connection Up to 10mm2 stranded copper wire
1.5 Intrinsic errors:
0.05Ib
Cosφ = 1
±1.5%
0.1Ib
Cosφ = 0.5L
±1.5%
Cosφ = 0.8C
±1.5%
0.1Ib - Imax Cosφ = 1
±1.0%
0.2Ib - Imax Cosφ = 0.5L
±1.0%
Cosφ = 0.8C
±1.0%
1.Ib - Imax
Cosφ = 1
≤ 1%