| Item |
Unit |
Circuit Breaker Panel |
Load Switch Panel |
| Rated Voltage |
kV |
12 |
12 |
| Rated Frequency |
Hz |
50 / 60 |
50 / 60 |
| Rated Current |
A |
630 / 1250 |
630 |
| Interruption Medium |
/ |
Vacuum |
/ |
| Insulation Medium |
/ |
Clean Air / Nitrogen (Note: Clean Air / Nitrogen means mixture of dry air and nitrogen, water content ≤15ppm) |
/ |
| Rated Power Frequency Withstand Voltage (1min) — Phase-to-Earth / Phase-to-Phase |
kV |
42 |
/ |
| Rated Power Frequency Withstand Voltage (1min) — Across Breaking Gap |
kV |
48 |
/ |
| Rated Lightning Impulse Withstand Voltage — Phase-to-Earth / Phase-to-Phase |
kV |
75 |
/ |
| Rated Lightning Impulse Withstand Voltage — Across Breaking Gap |
kV |
85 |
/ |
| Short-time Withstand Current — Main Circuit |
kA/s |
20/4 / 25/4 |
/ |
| Short-time Withstand Current — Earthing Circuit |
kA/s |
17.4/2 |
/ |
| Rated Peak Withstand Current — Main Circuit |
kA |
50 / 63 |
/ |
| Rated Peak Withstand Current — Earthing Circuit |
kA |
43.5 |
/ |
| Rated Short-circuit Making Current (Peak) |
kA |
50 / 63 |
/ |
| Rated Short-circuit Breaking Current |
kA |
20 / 25 |
/ |
| Rated Short-circuit Breaking Operations (Class E2) |
times |
30 |
/ |
| Rated Operating Sequence of CB Module |
/ |
O-0.3s-CO-180s-CO |
/ |
| Rated Cable Charging Breaking Test |
/ |
Class C2 |
/ |
| Rated Earth Fault Breaking Current |
kA |
17.4 |
/ |
| Rated Active Load Breaking Current |
A |
/ |
630 |
| Rated Ring Closing Breaking Current |
A |
/ |
630 |
| Rated Cable Charging Breaking Test Current |
A |
/ |
10 |
| 5% Rated Active Load Breaking & Making Current |
A |
/ |
31.5 |
| Rated Earthing Switch Making Operations |
times |
5 (Note: The lower isolation earthing switch version of GHXGEN-12 series is 2 times) |
/ |
| Loop Resistance |
μΩ |
≤ 140 |
/ |
| Rated Filling Gas Pressure (20℃ gauge) |
MPa |
0.02 |
/ |
| Minimum Operating Gas Pressure |
MPa |
0 |
/ |
| Mechanical Endurance – Circuit Breaker Load Switch |
times |
10000 / 30000 |
/ |
| Mechanical Endurance – Disconnector |
times |
3000 / 6000 |
/ |
| Mechanical Endurance – Earthing Switch |
times |
3000 / 6000 |
/ |
| Protection Class – Gas Tank |
/ |
IP67 |
/ |
| Protection Class – Enclosure |
/ |
IP4X |
/ |
| Rated Annual Leakage Rate |
% |
0.01 |
/ |
| Internal Arc Fault Withstand Capacity |
kA/s |
20/0.5(20/1) / 25/0.5(25/1) |
/ |
| Water Content Inside Gas Tank |
ppm |
≤ 150 |
/ |
