Product Overview
The GN24-12D/630 series is an indoor device, three-phase AC 50 Hz, rated voltage 12 kV, a disconnector with earthing switch for opening/closing indoor HV circuits with voltage but no load.The GN24-12D/630 indoor high-voltage disconnector Adds an earthing switch outside the disconnector body, providing the dual safety functions of isolation and earthing.
Type Designation
| Code | Meaning |
|---|---|
| G | Disconnector |
| N | Indoor type |
| 24 | Design No. |
| 12 | Rated voltage(kV) |
| C | Wall-through bushing |
| S | Double earthing switch |
| D | Earthing switch |
| I(II) | I: moving-end earthing linked with the main shaft; II: fixed-end earthing linked with the main shaft |
| 1(2) | 1: left-hand operation; 2: right-hand operation |
| □-□ | 4 s rated short-time withstand current (kA) / Rated current (A) |
Main Technical Parameters
| Item | Parameters |
|---|---|
| Rated voltage | 12 kV |
| Rated frequency | 50 Hz |
| Rated current | 630 A (model GN24-12D/630) |
| Earthing switch | With earthing switch (type D) |
| Operating mechanism | CS6-1 (split type) |
Outline & Installation Dimensions
Structure: front and side views of the disconnector and the cut-out dimensions of the CS6-1 (split) mechanism, with installation dimensions; the installation dimensions of the GN24-12D/630 indoor HV disconnector are subject to this drawing.
Service Conditions
- Ambient temperature: not higher than +40℃ and not lower than -25℃;
- Altitude: not exceeding 1000 m;
- Relative humidity: not higher than 90%;
- Application site: not suitable for sites with flammable substances, explosion hazard, chemical corrosion or violent vibration;
- Service environment: free from heavy pollution.
Related Products
High-voltage disconnectors of the same series and other types available:
- GN19-12/630A 1250A indoor high-voltage disconnector
- GN30-12/630 indoor high-voltage disconnector
- GN22-12/2000A indoor high-voltage disconnector
- GN27-40.5/630A indoor high-voltage disconnector
- GW4-40.5/630A outdoor double-column horizontal-opening high-voltage disconnector
- GW5-40.5/630A outdoor double-column V-type high-voltage disconnector
- GW9-12/630A outdoor high-voltage disconnector
