Description
Technical Product Range & Performance Matrix
| Technical Parameter / Feature Category | Medium-Voltage Current Transformer Specifications |
| Nominal & Highest Equipment Voltage (Um) |
• 3.6 kV to 12 kV Class (3.6 kV, 7.2 kV, 12 kV) • 13.8 kV to 17.5 kV Class (13.8 kV, 17.5 kV) • 24 kV to 25 kV Class (24 kV, 25 kV) • 36 kV to 40.5 kV Class (36 kV, 38.5 kV, 40.5 kV) |
| Power-Frequency Withstand Test Voltage (1 min) |
• 10 kV to 42 kV (for Um up to 17.5 kV) • 50 kV to 55 kV (for Um 24–25 kV) • 70 kV, 80 kV, 90 kV (for Um 36–40.5 kV) |
| Lightning Impulse Withstand Test Voltage |
• 40 kV to 95 kV (for Um up to 17.5 kV) • Up to 125 kV (for Um 24–25 kV) • 170 kV, 180 kV, 200 kV (for Um 36–40.5 kV) |
| Rated Primary Current Range (In) |
• 10 A to 3,200 A (for Um up to 25 kV) • 10 A to 2,500 A (for Um 36–40.5 kV) (Standard steps: 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 150, 200, 300, 400, 500, 600, 750, 1000, 1250, 1500, 2000, 2500, 3000, 3200 A) |
| Rated Secondary Current | 1 A, 5 A (combinations allowed within a single transformer; custom values on request) |
| Reconnection Capabilities | Primary side (up to 2 X 600 A) or secondary side |
| Rated Short-Time Thermal Current ($I_{th}$) | 2 kA to 100 kA / 1 s |
| Accuracy Classes |
Metering: 0.2, 0.2S, 0.5, 0.5S, 1, 3, 5 Protection: 5P10, 5P15, 5P20, 10P10, 10P15, 10P20 |
| Rated Frequency | 50 Hz, 60 Hz (others available on request) |
| Mechanical Cantilever Strength | 5 kN |
| Mounting & Earthing Provisions | Arbitrary orientation mounting, 4-screw body fixing, M8 earth terminal on baseplate |
