- Contact Person : Ms. Nee Rachel
- Company Name : Guangdong Kingwood Electronic Co., Ltd.
- Tel : 86-20-61031498
- Fax : 86-20-61031486
- Address : Guangdong,Guangzhou,5/f, Block C, Dadi Industrial Park, Yongdong Road, Tangxia, Guangzhou City, Guangdong Province. China
- Country/Region : China
- Zip : 510630
switching power supply for telecommunication use
Introduction:
This series of high-frequency switching power supply are designed for a variety of communications electronics equipment, such as program-controlled switches, microwave equipment, optical fiber communication equipment etc. which are high efficiency, high performance, high stability, high reliability, and which use the most advanced PWM technology and the most stable and reliable circuit topology.
The series are small size, light weight, high efficiency, wide operating temperature range, strong anti-jamming capability, fast dynamic response, high stability, smal noise ripple, and with strong protection features, which apply to CNC machine tools, data-processing and other equipment, and which can be used as charging and discharging equipment for battery.
Features:
1. High precision regulators
2. Fast dynamic response
3. Low output noise
4. Strong anti-interference ability
5. Wide operating temperature range
6. Strong protection function
7. With N +1 module composite structure
Technique Parameters:
Technical Data | Parameters | |
AC Input | Voltage | 130V~300V (single-phase three wire system) |
Frequency | 5~65 Hz | |
Efficiency | ≥90% | |
DC Output | Power | 2400W (max) |
Voltage Range | 40~60V (adjustable) | |
Current-limiting | 50~55A | |
Load Regulation | ≤±0.4% | |
Electricity Grid Regulation | ≤±0.1% | |
Accuracy of Voltage Stabilization | ≤±0.5% | |
Phone Scale Noise Voltage | ≤2mV | |
Broad Frequency Noise Voltage | 3.4 kHz~150kHz≤50 mV 0.15 kHz~30kHz≤20 mV | |
Discrete Frequency Noise Voltage | 3.4 kHz~150kHz≤5 mV 150kHz~200kHz≤3 mV 200kHz~500kHz≤2 mV 0.5kHz~30kHz≤1mV | |
Peak - Peak Noise Voltage | ≤200mV(20MHz) | |
Insulation Strength | Input-Output | 2000VAC |
Input-Shell | 1500VAC | |
Output-Shell | 500VAC | |
Leakage Current | <1.5mA (220V AC Input) | |
Safety Regulation | Meet the requirements of EN60950 | |
EMC | Design refer to FCC Part15 J Conduction Class A | |
Environment | Working Temperature | -15~+50 |
Storage Temperature | -40~+85 | |
Humidity | 10%~90%RH | |
MTBF | ≥100000 Hrs. | |
Cooling Method | Forced air-cooled: 65CFM (Internal DC fan), when the temperature of radiator is over 85, the output begins to derate; when the temperature of radiator is up to 95, the output will derate to 60%; when the the temperature of radiator is over 95, the device will close. | |
Protection | Input Overload | Dc<130±5V, device will close automatically |
Input Underload | Dc>300±5V, device will close automatically | |
Output Overload | Vdc≥60±1V, device will alarm to close, which need to manually re-start after the fault removed | |
Output Short-circuit | Retraction limiting, recover automatically after the fault removed. | |
Over temperature | When the temperature of the case is (85±5), the rectifier begins to derate; when the temperature is up to (95±5), the output will derate to 60%; when the temperature is over (95±5), the device will close and alarm. |
switching power supply for telecommunication use