785-301 ITI
Model 785 300:5A Ratio CT, C100 Relay Class, 6.5" Window, ITI
- APPLICATION: Relaying and metering.
- FREQUENCY: 50-400 Hz.
- INSULATION LEVEL: 0.6 kV, BIL 10 kV full wave.
- CONTINUOUS THERMAL CURRENT RATING FACTOR:
- 50:5 to 1200:5 - 2.0 at 30°C amb., 1.5 at 55 C. amb.
- 1500:5 to 2500:5 - 1.5 at 30°C. amb., 1.33 at 55°C. amb.
- 3000:5 to 4000:5 - 1.33 at 30°C. amb., 1.0 at 55°C. amb.
Secondary terminals are brass screws No. 10-32 with one flatwasher, lockwasher, accessible from either side.
Approximate weight 58 lbs.
Excitation data available upon request.
Specifications
| Product | |
|---|---|
| Brand | Instrument Transformers Inc |
| Model | 785 |
| Input Range | 0-300AAC |
| Input Frequency | 60Hz |
| Accuracy | 0.3 B0.1, 0.3 B0.2, 0.3 B0.5, 0.6 B0.9, 1.2 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 | 300:5A |
| CT Relay Class | C100 |
| CT Secondary Winding Resistance | 0.175Ω (175mΩ) @ 75°C |
| CT Window | 6.50" Diameter |



