HXGN17-12 box-type fixed AC metal enclosed switchgear
Short Description:
■ Product OverviewThe HXGN17-12 Box-type Fixed AC Metal-Enclosed Switchgear (shortened to Ring Main Unit) is an AC high-voltage complete electrical apparatus with a rated voltage of 12kV and a rated frequency of 50Hz. It is mainly used for three-phase AC ring networks, terminal distribution networks …
Product details
■ Product Overview
The HXGN17-12 Box-type Fixed AC Metal-Enclosed Switchgear (shortened to Ring Main Unit) is an AC high-voltage complete electrical apparatus with a rated voltage of 12kV and a rated frequency of 50Hz. It is mainly used for three-phase AC ring networks, terminal distribution networks, and industrial power equipment, serving to receive, distribute, and manage electrical energy. It is also suitable for installation in box-type substations.
■ Model Meaning
■ Operating Conditions
Ambient air temperature: -15°C ~ +40°C;
Altitude: 1000m and below;
Humidity conditions: Daily average relative humidity ≤ 95%, daily average water vapor pressure ≤ 2.2kPa; monthly average relative humidity ≤ 90%, monthly average water vapor pressure ≤ 1.8kPa;
Seismic intensity: Not exceeding 8 degrees;
Places without obvious pollution such as corrosive or flammable gases;
Note: When exceeding the above normal operating conditions, users can negotiate with our company.
■ Main Technical Parameters
| No. | Name | Unit | FN12-10 | FZN25-12 |
|---|---|---|---|---|
| 1 | Rated Voltage | kV | 12 | |
| 2 | 1min Power Frequency Withstand Voltage | kV | To ground and between phases 42; Isolation break 48 | |
| 3 | Lightning Impulse Voltage (Peak) | kV | To ground and between phases 75; Isolation break 85 | |
| 4 | Rated Frequency | Hz | 50 | |
| 5 | Main Bus Rated Current | A | 630 | |
| 6 | Load Switch Rated Current | A | 630 | |
| 7 | Load Switch Electrical Life at Rated Current | kVA | Not less than 100 | |
| 8 | Load Switch Breaking Capacity for Open Transformers | kA/s | 1250 | |
| 9 | Load Switch Rated Thermal Stable Current | KA | 20/4; Grounding Switch 20/2 | |
| 10 | Load Switch Rated Dynamic Stable Current (Peak) | KA | 50 | |
| 11 | Load Switch Rated Short Circuit Making Current (Peak) | Times | 50 |
