APPLICATION: Relaying and metering
FREQUENCY: 50-400 Hz
CONTINUOUS THERMAL CURRENT RATING FACTOR:
- 50:5-1200:5 2.0 at 30°C amb., 1.33 at 55°C amb. and 2000:5
- 1500:5-1600:5 1.5 at 30°C amb., 1.33 at 55°C amb. 2500:5-3500:5
- 4000:5-5000:5 1.0 at 30°C amb.
- 6000:5 0.8 at 30°C amb.
- Secondary terminals are brass screws No. 10-32 with one flatwasher, lockwasher, and regular nut.
- Excitation data available upon request.
- Approximate weight: 30 lbs.
Specifications
| Product | |
|---|---|
| Brand | Instrument Transformers Inc |
| Model | 780 |
| Input Range | 0-1200AAC |
| Input Frequency | 60Hz |
| Accuracy | 0.3 B0.1, 0.3 B0.2, 0.3 B0.5, 0.3 B0.9, 0.3 B1.8 |
| Output | 0-5AAC |
| Tariff Code | 8504.31.4035 |
| ECCN | EAR99 |
| Insulation Level | 600V, 10kV BIL full wave |
| Current Transformers | |
|---|---|
| CT Continuous Thermal Rating Factor | 2.0 at 30°C amb., 1.5 at 55°C amb. |
| CT Ratio | 1,200:5A |
| CT Relay Class | C200 |
| CT Secondary Winding Resistance | 0.387Ω (387mΩ) @ 75°C |
| CT Window | 6.50" Diameter |