Description
Technical Product Range & Performance Matrix
| Technical Parameter / Feature Category | Bus-Type Current Transformer Specifications |
| Nominal & Highest Equipment Voltage (Um) |
• 12 kV Class (Rated voltages: 3.6 kV, 7.2 kV, 12 kV) • 17.5 kV Class (Rated voltage: 17.5 kV) |
| Power-Frequency Withstand Test Voltage (1 min) |
• 28 kV (for 12 kV Class) • 38 kV (for 17.5 kV Class) |
| Lightning Impulse Withstand Test Voltage (1.2/50 µs) |
• 75 kV (for 12 kV Class) • 95 kV (for 17.5 kV Class) |
| Rated Continuous Thermal Current (Icth) | Up to 4,000 A |
| Rated Primary Current Range (In) |
500 A to 4,000 A (Standard steps: 500, 600, 750, 1000, 1250, 1500, 2000, 2500, 3000, 3500, 4000 A; non-standard ratings available on request) |
| Rated Secondary Current | 1 A, 5 A (configurable with combined values in a single unit) |
| Rated Short-Time Thermal Current (Ith, 1s) | 90 kA |
| Rated Burdens & Accuracy Classes |
• Burdens: 5 VA to 30 VA • Metering Classes: 0.2, 0.5, 1 • Protection Classes: 5P, 10P |
| Reconnection Capabilities | Secondary side only |
| Rated Frequency | 50 Hz, 60 Hz |
