

JLSZ□-20 20kV Outdoor Combined Metering Unit
The JLSZ□-20 is a three-phase outdoor combined metering unit integrating CT and VT functions for accurate active and reactive energy metering in 20kV power systems. Technical Details Technical Parameters Parameter Value Model JLSZ□-20 Rated Primary Voltage 20 kV Rated Frequency 50 Hz Rated Voltage Ratio…
The JLSZ□-20 is a three-phase outdoor combined metering unit integrating CT and VT functions for accurate active and reactive energy metering in 20kV power systems.
Technical Details
- 20kV System
- CT & VT Integrated
- 0.2S / 0.5S Accuracy
- Dry-Cast & Sealed
- Outdoor Application
- Dual Wiring Options
Technical Parameters
| Parameter | Value |
|---|---|
| Model | JLSZ□-20 |
| Rated Primary Voltage | 20 kV |
| Rated Frequency | 50 Hz |
| Rated Voltage Ratio | 20000 / 100 V |
| Rated Primary Current | 2.5–100 A, stepped |
| Rated Secondary Current | 5 A or 1 A |
| Accuracy Class | 0.2 / 0.5 / 0.2S / 0.5S |
| Dual-Ratio CT Taps | S1-S2 low ratio / S1-S3 high ratio |
| Installation | Outdoor |






