| Model | HKI075-050NB | HKI075-120NB | HKI075-240NB | HKI075-480NB |
| Output | direct voltage/current | 5V/7A | 12V/6A | 24V/3A | 48V/0.75A |
| voltage range | 4.5~5.5V | 10.8~13.2V | 21.6~26.4V | 43.2~52.8V |
| current range | 0~7A | 0~6A | 0~3A | 0~0.75A |
| stabilized voltage precision | ±2% | ±2% | ±2% | ±2% |
| ripple | ＜100mVp-p | ＜100mVp-p | ＜100mVp-p | ＜150mVp-p |
| Input | least efficiency | 82% | 84% | 86% | 86% |
| voltage range | 90~264VAC；102~370VDC |
| surge current | Cold-boot＜45A/230VAC |
| Protection | overvoltage | 115%-135%(rated voltage)，re-power after fault removed | 115%-135%(rated voltage)，Auto restart after fault removed |
| overcurrent | 120%-180%(rated current)，re-power after fault removed |
| over temperature | OTP point to ensure that all components do not exceed the specified temperature，re-power after fault removed |
| undervoltage | AC input undervoltage protection point: <=60Vac, undervoltage protection recovery point: >=70Vac |
| short circuit | When the output terminal is short-circuited, the power supply cannot be damaged, cannot catch fire, and can automatically recover after the short-circuit is eliminated |
| Environment | operating temperature | -30～+70℃，5～85﹪RH，no condensation（please refer to derating curve） |
| reserving temperature | -40～+85℃，5～95﹪RH，no condensation |
| vibration | 10～500HZ,5G 10 min/cycle，60 min/X,Y,Z directions |
| Safety | safety standard | GB4943 EN62368 |
| electromagnetic compatibility standard | EN55032 Class B, GB9254 Class B,EN61000-4-2,3,4,5,6,8,11 , EN61000-3-2，3 |
| Withstand voltage | I/P-O/P：3KVAC I/P-FG: 2KVAC O/P-FG: 0.5KVAC |
| Other | dimensions | 99*97*30mm |
| package | 30pcs/9kg |
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