Models CTW5-L-110 & CTWH5-L-110 Medium Voltage Current Transformer
APPLICATION: Metering and relaying. FREQUENCY: 50-400 Hz. MAXIMUM SYSTEM VOLTAGE: 15.5kV, BIL 110kV. CONTINUOUS THERMAL CURRENT RATING FACTOR: 1.00 at 30oC amb., 0.85 at 55oC. amb. Primary terminals are 1/2-13 bolts with one Belleville washer. Secondary terminals are brass screws No. 10-32 with one flatwasher, lockwasher. Vacuum cast in polyurethane resin. Other ratios, secondary currents and dual ratios are available. Refer to factory. Approximate weight 34 lbs.
Overview
APPLICATION: Metering and relaying. FREQUENCY: 50-400 Hz. MAXIMUM SYSTEM VOLTAGE: 15.5kV, BIL 110kV. CONTINUOUS THERMAL CURRENT RATING FACTOR: 1.00 at 30oC amb., 0.85 at 55oC. amb. Primary terminals are 1/2-13 bolts with one Belleville washer. Secondary terminals are brass screws No. 10-32 with one flatwasher, lockwasher. Vacuum cast in polyurethane resin. Other ratios, secondary currents and dual ratios are available. Refer to factory. Approximate weight 34 lbs.
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Product Specifications
- Frequency
- 50–400 Hz
- Insulation BIL
- 110 kV
- Weight
- 34 lbs
- Application
- Metering, Protection
- Maximum System Voltage
- 15.5 kV, BIL 110 kV
- Continuous Thermal Rating Factor
- 1.00 at 30 C, 0.85 at 55 C
- Primary Terminals
- 1/2-13 bolts with one Belleville washer
- Secondary Terminals
- Brass screws No. 10-32 with one flatwasher and lockwasher
- Construction
- Vacuum cast in polyurethane resin
- Primary Bars
- Order as CTWH5-L
- Recommended Minimum Spacing
- Unit to unit 2.00 in; HV to ground in air 6.50 in
- Other Ratings
- Other ratios, secondary currents and dual ratios available
Specification Table
| Primary A | Secondary A | Ratio (display) |
|---|---|---|
| 5 | 5 | 5:5 |
| 10 | 5 | 10:5 |
| 15 | 5 | 15:5 |
| 25 | 5 | 25:5 |
| 30 | 5 | 30:5 |
| 40 | 5 | 40:5 |
| 50 | 5 | 50:5 |
| 75 | 5 | 75:5 |
| 100 | 5 | 100:5 |
| 150 | 5 | 150:5 |
| 200 | 5 | 200:5 |
| 250 | 5 | 250:5 |
| 300 | 5 | 300:5 |
| 400 | 5 | 400:5 |
| 500 | 5 | 500:5 |
| 600 | 5 | 600:5 |
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