48V 3000W Wall-Mounted DC Charger for Industry 50A Output Current 500W Output Power 60Hz Frequency Single DC-DC Type 220V/110V
- Input Voltage:80-300Vac / 100-400Vdc
- Output Current:0-50A
- Output Voltage:48V
- Model Number:EVS-4850WM
- Brand Name:OEM ODM
- Place of Origin:Guangdong, China
- Application:Industry, Laboratory, Industrial Equipment, Machines, Battery Charging
- Efficiency:95%
- Output Frequency:50/60 Hz
- Output Type:Single
- Protection:Over Power Protection, Overloading Protection, Over Temperature Protection, Overvoltage Protection, Overcurrent Protection
- Type:AC-DC, 48V DC Outdoor for telecommunication cabinets
- Function:Telecom base stations
- Compatible Brand:Wall mounted power supply system
- Logo:Can be design according to customer
- Condutor:Rectifier Module
- Colors:RAL7035
This model of power supply is for commucication,
Output voltage +54V,Output current 0-50A;Its features include input over/under-voltage protection, output over-current protection, output over-voltage protection.
Product performance
EVS power supply system power supply, with the following features and functions:
1, wide voltage input range: 80 ~ 300Vac/ 100-400Vac, suitable for all countries in the world of AC power grid input;
2, the system has high power factor greater than 0.95;
3, there are input under voltage, input voltage, output voltage, output current limiting, output short circuit, over temperature protection;
4, the system with battery input interface and battery voltage management and battery charging function.
5,Ultra-low radiation. Adopt advanced electromagnetic compatibility design, the rectifier module can meet requirements for conducted and radiated interference of"the communication power equipment electromagnetic compatibility Limits and methods of measurement"( People's Republic of China telecommunications industry standard YD/T983).
Main Specifications:
| ut Power | Input Voltage Range | Output Rated Voltage | Output current range | Ripple (Pk-Pk) (rated load, bandwidth 20MHz) |
| 3000W | 90—280 | 54Vdc | 0—50A | 200mV |
Environmental Conditions:
| No. | Items | Technical Specifications | Unit | Remarks |
| 1 | Operation Temperature | -15—+50 | ℃ | |
| 2 | Storage Temperature | -40—+85 | ℃ | |
| 3 | Relative Humidity | 10—90 | % | |
| 4 | Cooling | Air cooling with self-fan | ||
| 5 | Altitude | 70—106 | Kpa | |
| 6 | Storage Temperature | 3000 | M |
Electrical Characteristics:
| 1 | Input Characteristics | ||||||||||
| No. | Items | Technical Specifications | Unit | Remarks | |||||||
| 1.1 | Input rated voltage | 200—240 | Vac | ||||||||
| 1.2 | Input voltage range | 90—264 | Vac | ||||||||
| 1.3 | Input Current | ≤8 | A | Lowest input voltage, rated load | |||||||
| 1.4 | inputvoltage frequency | 50/60 | Hz | ||||||||
| 1.5 | Power factor | ≥0.99 | rated input voltage, rated load | ||||||||
| 1.6 | Input Shock Current | ≤30 | A | 264Vac | |||||||
| 2 | Output Characteristics | ||||||||||
| No. | Items | Technical Requirements | Unit | Remarks | |||||||
| 2.1 | Output Rated Voltage | 54 | Vdc | ||||||||
| 2.2 | Output current range | 0—50 | A | Inutpu voltage:176—264Vac. | |||||||
| 0—95 | A | Inutpu voltage:90—175Vac | |||||||||
| 2.3 | Output voltage range | 53.5—54.5 | Vdc | ||||||||
| 2.4 | Efficiency | ≥95% | 220Vac input,output 54Vdc/25A. | ||||||||
| ≥85% | 110Vacinput ,output54Vdc/95A. | ||||||||||
| 2.5 | Output ripple & noise | ≤200 | mVp-p | Rated load, frequency band is limited to 20MHz | |||||||
| 2.6 | Turn-on output delay | 3—8 | S | Vin=220Vac | |||||||
| 2.6 | Output rising time | ≤200 | mS | Output voltage rises from 10% to 90%, rated load. | |||||||
| 2.7 | Turn on/off overshoot | ≤±5 | %Vo | ||||||||
| 2.8 | Combined regulation | ≤±1% | |||||||||
| 2.10 | Transient Response | Overshoot | ≤ ±5 | %Vo | 5%—50%—25% or 50%—75%—50% load change. | ||||||
| Recovery time | ≤ 200 | µS | |||||||||
| 2.11 | Phone weighed noise voltage | ≤2 | mV | ||||||||
| 2.12 | p-pk value noise | ≤400mV | 0—300KHz | ||||||||
| 2.13 | Wide frequency noise voltage | ≤100 | mV | 3.4—150KHz | |||||||
| ≤30 | 0.15—30000KHz | ||||||||||
| 2.14 | Disperse noise | ≤5 | mV | 3.4—150KHz | |||||||
| ≤3 | 150—200KHz | ||||||||||
| ≤2 | 200—500KHz | ||||||||||
| ≤1 | 500—30000KHz | ||||||||||
| 3 | Protection characteristics | ||||||||||
| No. | Items | No. | Items | No. | |||||||
| 3.1 | Output overvoltage protection | 58.5—62 | Vdc | Locked | |||||||
| 3.2 | Input overvoltage (0A output) | protection point | ≥295 | Vac | overvoltage,cut output | ||||||
| protection tollerance | ≥5 | The power module must be restart when the input voltage recover to 264Vac. | |||||||||
| 3.3 | Input undervoltage protection point | protection point | ≤80 | Vac | Cut output | ||||||
| protection tollerance | ≥5 | The power module must be restart when the input voltage recover to 90Vac. | |||||||||
| 3.4 | Overtemperature protection | yes | Auto-recoverat environmental temperature 50℃ | ||||||||
| 3.5 | Output overcurrent protection | 0-50 | A | 220VAC Input,Auto-recoverat | |||||||
| 25 | 110VAC Input,Auto-recoverat | ||||||||||
| 3.6 | Output short-circuit protection | yes | No damage with short-circuit for long time; | ||||||||
| 3.7 | Fan failure protection | The module operate with half-load when single fan failure(160w when 220Vac input,120w when 110Vac input),and alarm till the module turn off output because of overtemperature protection. When two fans failure, the module turn off output after alarm; | |||||||||
| 4 | Battery Management Characteristics | ||||||||||
| No. | Items | Technical Requirements | Unit | Remarks | |||||||
| 4.1 | Floating charge current limiting | 8.5±1.5 | A | ||||||||
| 4.2 | Battery undervoltage protection point | 42.5—43.5 | V | Cut load,protect battery | |||||||
| 5 | Other Characteristics | ||||||||||
| No. | Items | Technical Requirements | Unit | Remarks | |||||||
| 5.1 | MTBF | 100,000 | H | ||||||||









