Indoor epoxy resin casting current transformer designed for CGIS gas insulated switchgear, with multiple accuracy class, rated burden and primary current options.
Indoor epoxy resin cast CT for CGIS, 35kV, 50/60Hz. Suitable for metering and protection in gas-insulated switchgear.
| Parameter | Specification | Verification |
|---|---|---|
| Product Type | Current Transformer | [On Request] |
| Model Code | CGIS1765 | Factory nameplate marking |
| Primary Voltage | 35kV | Rated voltage test (IEC 61869-1/3) |
| Secondary Voltage | [On Request] | Ratio check at rated frequency |
| Accuracy Class | [On Request] | Accuracy test (IEC 61869-2 / IEEE C57.13) |
| Rated Burden | [On Request] | Burden test at rated VA |
| Insulation Type | Dry Epoxy Resin | Dielectric tests per standard |
| Insulation Level (BIL) | [On Request] | Power-frequency & lightning impulse withstand |
| Standards | [On Request] | Certified to listed standards |
| Frequency | 50/60Hz | Per IEC 61869-1 |
| Environment | [On Request] | Per datasheet limits |
Ideal For
Not Recommended For
secondary terminals 1S1/1S2 (protection winding 2S1-2S2). Never open-circuit the secondary of a CT while energized - hazardous voltage. Ground the secondary winding at one point.
Compliant with: [On Request]
S_total = ΣS_instrument + I₂² × (ρ × 2L / A)
Q: What is the primary voltage rating?
A: 35kV.
Q: What is the insulation type?
A: Dry epoxy resin.
Q: Is it suitable for outdoor use?
A: No, it is designed for indoor CGIS applications.
Missing fields are marked [On Request] — never fabricated. M2/M5/M6 verification rows follow IEC 61869 / IEEE C57.13 conventions.
| Accuracy class | Rated output (VA) | 40 | 50 | 60 | 75 | 100 | 125 | 150 | 200 | 250 | 300 | 400 | 500 | 600 | 750 | 1000 | 1200 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.2FS10 | 2.5 | — | — | — | — | — | 65 | 55 | 40 | 35 | 30 | 30 | 30 | 30 | 35 | 35 | 35 |
| 0.2FS10 | 5 | — | — | — | — | — | 95 | 80 | 55 | 50 | 35 | 30 | 30 | 30 | 35 | 35 | 35 |
| 0.2FS10 | 10 | — | — | — | — | — | 120 | 80 | 60 | 45 | 35 | 35 | 30 | 30 | 35 | 35 | 35 |
| 0.2FS10 | 15 | — | — | — | — | — | 170 | 110 | 75 | 55 | 45 | 40 | 35 | 35 | 35 | 35 | 35 |
| 0.2FS10 | 20 | — | — | — | — | — | 145 | 90 | 65 | 55 | 45 | 40 | 40 | 35 | 35 | 35 | 35 |
| 0.2FS10 | 25 | — | — | — | — | — | 160 | 110 | 75 | 60 | 50 | 45 | 45 | 40 | 35 | 35 | 35 |
| 0.2FS10 | 30 | — | — | — | — | — | — | 125 | 85 | 70 | 55 | 55 | 50 | 45 | 40 | 40 | 40 |
| 0.5 | 2.5 | — | — | — | 55 | 45 | 40 | 35 | 30 | 30 | 25 | 25 | 25 | 25 | 25 | 25 | — |
| 0.5 | 5 | — | — | — | 80 | 65 | 50 | 40 | 30 | 30 | 30 | 25 | 25 | 25 | 25 | 25 | — |
| 0.5 | 10 | — | — | — | 125 | 95 | 75 | 55 | 40 | 35 | 35 | 30 | 25 | 25 | 25 | 25 | — |
| 0.5 | 15 | — | — | — | 125 | 95 | 70 | 55 | 45 | 40 | 35 | 30 | 25 | 25 | 25 | 25 | — |
| 0.5 | 20 | — | — | — | 120 | 85 | 65 | 55 | 50 | 40 | 35 | 30 | 25 | 25 | 25 | 25 | — |
| 0.5 | 25 | — | — | — | — | 95 | 75 | 65 | 55 | 45 | 40 | 35 | 30 | 25 | 25 | 25 | — |
| 0.5 | 30 | — | — | — | — | — | 85 | 70 | 65 | 55 | 50 | 45 | 40 | 35 | 30 | 30 | 30 |
| 5(10)P10 | 2.5 | 135 | 100 | 85 | 75 | 55 | 45 | 40 | 35 | 30 | 30 | 30 | 30 | 30 | 25 | 25 | 25 |
| 5(10)P10 | 5 | — | 135 | 120 | 85 | 70 | 55 | 50 | 45 | 40 | 40 | 35 | 35 | 30 | 30 | 30 | 30 |
| 5(10)P10 | 10 | — | — | 145 | 110 | 95 | 80 | 70 | 60 | 50 | 45 | 45 | 35 | 35 | 35 | 35 | — |
| 5(10)P10 | 15 | — | — | — | 155 | 130 | 110 | 90 | 80 | 80 | 65 | 60 | 50 | 45 | 40 | 40 | — |
| 5(10)P10 | 20 | — | — | — | — | 140 | 115 | 100 | 95 | 80 | 70 | 60 | 50 | 45 | 45 | 45 | — |
| 5(10)P10 | 25 | — | — | — | — | — | 140 | 120 | 115 | 95 | 80 | 70 | 60 | 55 | 55 | 55 | — |
| 5(10)P10 | 30 | — | — | — | — | — | — | 140 | 130 | 110 | 95 | 80 | 65 | 60 | 60 | 60 | — |
| 5(10)P20 | 2.5 | — | — | 145 | 125 | 90 | 75 | 65 | 60 | 50 | 50 | 45 | 40 | 40 | 35 | 35 | — |
| 5(10)P20 | 5 | — | — | 145 | 115 | 95 | 90 | 75 | 70 | 65 | 55 | 50 | 50 | 45 | 40 | 40 | — |
| 5(10)P20 | 10 | — | — | — | — | 150 | 125 | 110 | 105 | 85 | 75 | 70 | 60 | 55 | 55 | 55 | — |
| 5(10)P20 | 15 | — | — | — | — | — | 150 | 140 | 115 | 100 | 90 | 75 | 70 | 70 | 70 | 70 | — |
| 5(10)P20 | 20 | — | — | — | — | — | — | 145 | 125 | 115 | 90 | 80 | 80 | 80 | 80 | 80 | — |
| 5(10)P20 | 25 | — | — | — | — | — | — | — | 150 | 135 | 105 | 95 | 95 | 95 | 95 | 95 | — |
| 5(10)P20 | 30 | — | — | — | — | — | — | — | — | 155 | 120 | 105 | 105 | 105 | 105 | 105 | — |
| 5(10)P30 | 2.5 | — | — | — | 130 | 105 | 90 | 85 | 75 | 70 | 65 | 55 | 55 | 55 | 50 | 50 | — |
| 5(10)P30 | 5 | — | — | — | — | 145 | 135 | 115 | 100 | 95 | 80 | 75 | 75 | 65 | 60 | 60 | — |
| 5(10)P30 | 10 | — | — | — | — | — | 170 | 155 | 125 | 115 | 110 | 90 | 80 | 80 | 80 | 80 | — |
| 5(10)P30 | 15 | — | — | — | — | — | — | 155 | 140 | 115 | 100 | 100 | 100 | 100 | 100 | — | — |
| 5(10)P30 | 20 | — | — | — | — | — | — | — | 140 | 125 | 125 | 125 | 125 | 125 | — | — | — |
| 5(10)P30 | 25 | — | — | — | — | — | — | — | — | — | 145 | 145 | 145 | 145 | — | — | — |
Dimension & outline drawing of CGIS1765 — click image to zoom / view original.
