Tianjin Estel Electronic Science and Technology Co.,Ltd
TIANJIN ESTEL ELECTRONIC SCIENCE AND TECHNOLOGY CO.,LTD (ESTEL(GUANGDONG) TECHNOLOGY CO., LTD) We are the professoinal supplier of outdoor telecom cabinet, air conditioner, heat exchanger, and telecom
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LAK340-220D28-9
Characteristic
This product is designed to comply with the RoHS2.0 directive(EU Direcive 2011/65/EU and its amending direcives (EU) 2015/863)
Typical efficiency:90%
Input over-voltage and under-voltage protection
Output overcurrent protection
Output overvoltage protection
Output short circuit protection
Meet GB4943
Application
| Parameter | Unit | Test Descniption | Minimum | Typical | Maximum |
| Operating voltage range | Vac | 165 | 220 | 300 | |
| Input frequency range | Hz | 47 | 50 | 63 | |
| Power factor | 0.98 |
| Parameter | Unit | Test Description | Minmum | Typical | Maximum | |
| Output voltage | Vo1 | Vdc | 27.5 | 28 | 28.5 | |
| Vo2 | Vdc | 8.5 | 9 | 9.5 | ||
| Output current 1 | Vo1 | A | 0 | 10 | ||
| Vo2 | A | 0 | 8 | |||
| Output current 2 | Vo1 | A | 0 | 12.5 | ||
| Vo2 | A | 0 | ||||
| Voltage regulation accuracy 1 | Vo1 | %In | ±1.5 | |||
| Vo2 | %In | ±3 | ||||
