性能特点：
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技术参数:
| Model | Unit | ZX7-200S | ZX7-250 | ZX7-315 | |
| Rated input voltage, phase number | -- | AC220V | AC220V | AC380V 3P | |
| Input power frequency | Hz | 50/60Hz | 50/60Hz | 50/60Hz | |
| Rated input capacity | KVA | 7 | 7 | 7 | |
| Rated input current | A | 32 | 32 | 14 | |
| Cable section area | Power input | mm2 | 2x2.5 | 2x2.5 | 3x2.5 |
| Power output | mm2 | 25 | 25 | 25 | |
| Ground wire | mm2 | 25 | 25 | 25 | |
| Rated output voltage | V | 62 | 62 | 56 | |
| Rated load duration | % | 60 | 60 | 60 | |
| Rated output voltage | V | 28 | 28 | 30 | |
| Rated output current | A | 200 | 250 | 315 | |
| Output current adjustment range | A | 30-200 | 30-200 | 30-250 | |
| Thrust current adjustment range | A | -- | -- | 10-70 | |
| Shell protection class | -- | IP21S | IP21S | IP21S | |
| Insulation grade | -- | F | F | F | |
| Cooling mode | -- | Forced air cooling | Forced air cooling | Forced air cooling | |
| Outline dimension（WXDXH) | mm | 310x150x220 | 310x150x220 | 310x150x220 | |
| Host weight | Kg | 4 | 5 | 10 |
