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| Item | Test end | Test end | Test conditions |
| No-load current | 1~4 | ≤10.0mA | 230Vac/50Hz |
| No-load voltage | 1~2 | 12.5±0.5V | |
| 7~8 | 13.5±0.5V | ||
| On-load voltage | 1~2 | 10.0±0.5V | 10mA |
| 7~8 | 10.5±0.5V | 25mA | |
| Dielectric strength | N1, N2 strength to N3 | Apply AC4.0KV with no abnormality | 1mA、1min |