| General Specifications
|
| Accuracy ( 23±3°C ) |
0.2% ro (avg.),
0.4% ro (Trms) |
| Maximum output load |
Current related input : 2 x rated continuous, 10 x rated 10 sec, 25 x rated 2 sec, 50 x rated 1 sec
Voltage related input : maximum 2 x rated continuous ( 150V/300V )
self powered mode 1.5 rated continuous ( 500V ) |
| Dielectric strength |
4KV AC rms 1 minute between terminals to case IEC 688
2KV AC rms 1 minute between input / output / power IEC 688 |
| Maximum input |
Current related input : 2 x rated continuous, 10 x rated 10 sec, 25 x rated 2 sec, 50 x rated 1 sec
Voltage related input : maximum 2 x rated continuous ( 120V / 240V ), maximum 1.5 x rated continuous ( 415V ) |
| Impulse / SWC |
IEC 255-4, 5KV 1.2x50us, IEC255-22-1, 2.5KV ( 1MHz / 400Hz ) |
| Input burden |
0.3VA / element typically, self-powered type 1VA / element typically |
| Response time & ripple |
< 400ms for step change 0-95%, ripple less 0.5% ro peak-peak |
| Frequency |
50± 2Hz, 60 ±2Hz |
| Aux. power effect |
< 0.005% for per voltage change |
| Stability |
| Temperature range ( 20 to 26°C ) long term stability / year |
| Maximum 100ppm/ , less 0.2% drift per year typically |
| Storage condition |
Temperature range -25 to 70°C, RH 20 to 95% non condensed |
| Operating condition |
Temperature range -20 to 65°C, RH 0 to 99% non condensed |
| Magnetic field effect |
< 0.05% change 1M center 100 amper-turn, synchronized with line frequency |
| Enclosure code Case |
IP 50 / terminals IP 30, complies with IEC 529, BS 5490 DIN 40050 |
| Power supply |
AC 120V / 240V 15%, 50 / 60Hz |
| Power dissipation |
< 3VA |
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