| Prod Model: |
GPR4850K-TI |
| Output Type: |
Single |
| Warranty: |
2 Years |
| Input Voltage: |
Full Range |
| Connection Mode: |
Parallel Switching Power Supply |
| Starting Mode: |
Separate-excited Switching Power Supply |
| Voltage Regulating Mode: |
Width Modulation Type |
| Power Supplying System: |
Terminal Power Distribution Equipment |
| Certification: |
CB |
| Output Power: |
2900W |
| Brand: |
Goldpower |
Product Description
96% high efficiency 48V 50A rectifier module switching power supply for telecom power system
Features
• Compact structure, high power density of 22W/in3 ;
• Constant current output available within output voltage 42-54V;
• Constant power output available within output voltage 54-58V ;
• Output voltage adjustable within 42-58Vdc
Default voltage: 53.5V;
• Wide operating temp. range: -33~+55°C
• Extended operating temp. range: +55~+65°C
• Power factor correction: ≥0.99
• RS485 communication port
• Input under-voltage protection
• Input over-voltage protection
• Output over-voltage protection
• Output over-current protection
• Over temperature alarm and protection
• Paralleled work available via current sharing bus
• Remote start up/shutdown
• Hot -swappable
• UL 60950, CSAC22.2 60950-00,
VDE0805 and IEC60950 compliance
• CE mark meets directives of 73/23/EEC
and 93/68/EEC
• High efficiency more than 96%
Applications
48V Distributed power system
Ethernet
Exchange
LAN, WAN
Server
Indoor wireless network
Telecom equipment
Specification: | Input |
| Parameter | Min. | Typ | Max. | Unit | Remarks |
| Input Voltage Range | 90 | 110/220 | 290 | Vac | |
| Input Frequency | 45 | 50/60 | 65 | Hz | Rated load |
| Input Current | | | 18.5 | A | |
| Power Factor | 0.99 | | | | Rated input/rated load |
| Output |
| Parameter | Min. | Typ. | Max. | Unit | Remarks |
| Output Voltage Range | 42 | 53.5 | 58 | Vdc | Adjustable via the monitoring module (No load) |
| 53.5 | | 53.8 | Vdc | 220V Input, 25A Output |
| Output Current Range | 0 | | 50 | A | 176~290V ac Input |
| 0 | | 22 | A | 90~175V ac Input |
| Output Efficiency | 94 | | 96 | % | 220V AC Input (220Vac input, rated output voltage, 25% rated load current 94 |
| 94 | | 96 | % | 110V AC Input |
| Output Power | | | 2900 | W | Input: 200-240Vac; Output: 53.5Vdc
|
| | | 1200 | W | Input: 115-130Vac; Output: 53.5Vdc; |
| Regulation | | | ±1 | % | |
| Weighted Psophometric Noise | | | 2 | mV | |
| Wide Frequency Noise Voltage | | | 50 | mV | (3.4KHz~150KHz) |
| | | 20 | (150KHz~30MHz) |
| Ripple (Vp-p) | | | 200 | mV | Rated input voltage & load, with 0.1uF film capacitor and 10uF high frequency electrolyte capacitor, oscilloscope band width of 20MHz. |
| Environmental Requirements |
| Parameters | Min | Typ. | Max | Unit | Remark |
| Operating temp | -33 | | 55 | °C | |
| Transportation temp | -40 | | -70 | °C | |
| Storage temp storage temperature | -40 | | 70 | °C | |
| Humidity | 5 | | 95 | % | Relative humidity, no condensing |
| Altitude | 0 | | 4000 | m | For operation at 3000-4000m, the operation temperature is derated by 1°C per 200m. |
| Acoustic noise | | 55 | | dB | |
| Cooling | Forced cooling; Front-in & rear-out; the fan locates at front, with temperature controlled speed. |
About us: 
Shenzhen Gold Power Tech Co., Ltd. Was established in 1995, a leading excellence integrated power supply solutions partner in the industry. There's an independent industrial park with 80, 000 square meters in Pingshan district, Shenzhen, China. With more than 478 employees and many core intellectual property rights. The production capacity of all kinds of power supply is 6 million units every year, products are exported to more than 30 countries and regions over the world. Goldpower has been the national high-tech enterprise after more than 20 years of practice in power supply industry.
Our products cover Telecom, Green Solar Energy, Automobile application electronic and New energy fields formed six core product series, including standard telecom power supply, remote power supply, HVDC, Solar PV(photovoltaic), LED power supply and the car rechargeable power supply, widely used in communications, power electronics, automatic control, railway, military industry, medical treatment, financial self-service, LED, solar power and automobile charging control system.
We are ISO9001 approved enterprise and we can promise you good quality. Welcome to contact us for business cooperation.
