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| Standard | IE-60439-1, GB7251.1-2005. |
| Equipped with | M: Surface mounted, R: Flush mounted, W: Outdoor |
| External Size | Non-standard Customization |
| Suitable | AC 50Hz, AC single-phase 220V, three-phase 380V below, AC 220A or below |
| Used in | Power station, transformer station, mines Enterprises, hotels, apartment, high-rise buildings, bus stations, airports, warehouses and hospitals |
| Function | The circuit of indoor lighting, Power distributing line as over load protection, short circuit and line switching |