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| No. | File Name | Download Link |
| 1 | YD-9CK-HX commutation switch sample book |  Download |
| 2 | YDK-SPC-HX manual Yide commutation switch and intelligent controller | Download |
| 3 | YDK-SPC-HX intelligent commutation switch - inspection report | Download |
| 4 | YDK-SPC-HX intelligent commutation switch - National Grid | Download |