High and Low Voltage Switchgear HXGN-12
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High And Low Voltage Switchgears
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Introduction of High and Low Voltage Switchgear HXGN-12
Some structural features of High and Low Voltage Switchgear HXGN-12:
The HXGN-12 High and Low Voltage Switchgear is constructed from 8MF type steel, which is partially welded and then bolted together. It primarily houses the FZN21-12 type two-position vacuum load switch, which is used in conjunction with a fuse equipped with an impactor to form a combined electrical device. This type of switchgear can be flexibly equipped with current transformers (CT), potential transformers (PT), and ZnO surge arresters. Its base is fitted with a removable access cover for easy cable entry, and for overhead cable entry, a busbar channel can be added according to user requirements.
| No. | Item | Unit | Data | |
|---|---|---|---|---|
| 1 | Rated Voltage | KV | 7.2/12 | |
| 2 | Main Busbar Rated Current | A | 400;630;1250 | |
| 3 | Rated Current | Incoming Cabinet | A | 400;630;1250 |
| Outlet Cabinet | A | 125 | ||
| 4 | Rated Short time Withstand Current | KA | 20 | |
| 5 | Rated Peak Withstand Current | KA | 31.5 | |
| 6 | Rated Short Circuit Closing Current Peak Value | KA | 50 | |
| 7 | Rated Active Load Breaking Current | A | 630 | |
| 8 | Rated Closed Loop Breaking Current | A | 630 | |
| 9 | Rated Cable Charging Current | A | 10 | |
| 10 | Ground Switch Rated Short Time Withstand Current | KA | 20 | |
| 11 | Ground Switch Rated Peak Withstand Current | KA | 50 | |
| 12 | Ground Switch Rated Short Circuit Closing Current Peak value | KA | 50 | |
| 13 | Rated AC Current of Combination Apparatus | A | 3150 | |
| 14 | 1min Power Frequency Withstand Voltage | Interphase Relative Vacuum Fracture | KV | 42 |
| Isolating Distance | 48 | |||
| 15 | Lightning Impulse Withstand Voltage | Interphase Relative Vacuum Fracture | KV | 75 |
| Isolating Distance | 85 | |||
| 16 | Mechanical Life | Vacuum Load Switch | time | 10000 |
| Isolation Knife Grounding Knife | 2000 | |||
| 17 | Load Switch | Average Closing Speed | m/S | 0.6±0.2 |
| Average Opening Speed | m/S | 1.1±0.2 | ||
| Three-phase Different Phases | mS | ≤2 | ||
| 18 | Fuse for Combined Appliances | Maximum Rated Current | A | 125 |
| Rated Short Circuit Breaking Current | KA | 31.5 | ||
| 19 | IP Code | IP2X | ||
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