Electrical Data - LEM PR1200 ACI Manual De Uso

2.2 Electrical Data

Common characteristics
Primary nominal current ........... 1000 A
Turns ratio ................................. 1000 : 1
Accuracy at 100 A, 2 kHz ......... ±1% of reading
Phase shift at 2 kHz ................. ±1 °
Frequency range ......................
PR1200ACI/ACV PR1201ACI/ACV
Measuring range ....................... 0.1 A to 1200 A
Overload capability, 50 / 60 Hz
for 1 hr, 33 % duty cycle ........... 1500 A
PR1200X
Measuring range ....................... 1 mA to 1200 A
Overload capability, 50 / 60 Hz
for 1.5 hrs, 33 % duty cycle ...... 1400 A
Typical accuracy and phase shift
Primary current
0.1A to 10 A
10A
50
200A
1000 - 1200A
Primary current
1 mA to 10 mA
10 mA to 100 mA
10 A to 100 A
100 A to 1000 A
Output Signal
External Load
Impedance
Accuracy Class
)
(CEI 185
Output connection
PR1200ACI/ACV
PR1201ACI/ACV
Accuracy
(% of reading)
± 3.0%
± 3.0%
± 1.5%
± 0.8%
± 0.5%
Accuracy
(% of reading)
± 3.0% ±0.02mA
± 3.0% ±0.2mA
± 1.5%
± 1.5%
± 0.8%
PR1200ACI PR1200ACV
1mA / A
≤ 20 Ω
0,5 %, ≤ 1 Ω
1,0 %, > 10 Ω
4 mm safety sockets
RMS
30 Hz to 10 kHz (-3dB)
Phase Shift
(Degrees)
Not Specified
3.0°
1.5°
0.75°
0.5°
PR1200X
Phase Shift
(Degrees)
Not Specified
Not Specified
1.5°
0.75°
1 mV / A
≥ 100 kΩ
0,5 %, ≤ 1 Ω
0.5%
1,0 %, > 10 Ω
3°
PR1200X
1mA / A
≤ 20 Ω
3