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switching power supply for telecommunication use
- 1000 Set / Sets per Month
- Guanghzhou
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Product Details
| Place of Origin | Guangdong, China | Brand Name | KINGWOOD | |
| Model Number | AD2420D-CB | Input Voltage | 220V | |
| Output Voltage | 19~29 Vdc | Output Power | 401 - 500W | |
| Output Current | 20 Adc |
Product Description
Specifications
This machine with back-up power supply functionIntroduction:
Small communication devices widely used the communication standard voltage level of 24V, the current of which is generally smaller, but the power supply equipment also
requires that the management is complete, easy to use, with back-up power supply function.
The AD2420D-CB series are designed for the integrated power modules and power supply cabinet. Besides, the internal integrated power supply is with the following part: AC / DC rectifier power supply, charge management circuit, discharge protection circuit, power factor correction circuit, external battery port, with a total output interface, arm-loading interface, battery pack, voltage and current, charge-discharge current display circuit.
Features:
1. Wide input voltage range
2. DC output voltage is continuously adjustable
3. With Battery charge-discharge and current display
4. Battery management
5. With smart Fan (Start the fan when the temperature is over 50(±5)or the load is 50%)
6. Strong protection
7. High efficiency, high power factor
Technique Parameter:
Specifications | AD2420D-CB |
Input Voltage Range | 160V~280V 45Hz~63Hz |
Input Rated Current | 2.8 Aac |
Power Factor | Input 220V, Output full load ≥0.98 PF |
Output Voltage Range | 19~29 Vdc |
Output Current | 20 Adc |
Load Regulation | ≤0.5% |
Power Regulation | ≤0.2% |
Phone Scale Noise Voltage | 300~3400Hz ≤2 mV |
Peak - peak Noise Voltage | ≤100 mV |
Ripple Noise | 3.4 ~ 150KHz ≤100 mV 0.15 ~ 30MHz ≤30 mV |
Ripple Noise Reverse | 3.4 ~ 150KHz ≤5 mV 150 ~ 200KHz ≤3 mV 250 ~ 500MHz ≤2 mV 0.5 ~ 30MHz ≤1 mV |
Insulation Strength | Input-Shell 1500 Vac Input-Output 1500 Vac Output-Shell 500 Vac |
Efficiency | ≥85% |
Dynamic Response | 20% ~ 100% Load Step ≤ 200 us 170V ~ 265Vac Step Grid ≤ 200 us |
Output Current-limiting Protection | 21 Adc |
Input Low-voltage and Current-limiting Protection | ≤165±10 Vac |
Input Overload Protection | ≤290±10 Vac |
Over-temperature Protection | 90±5 |
Operation Temperature | -10~50 |
MTBF | 100000Hrs. |
Weight | 21.5 Kg |
Dimension (D×W×H) | 240mm×485mm×140mm |
Battery Type | Sealed maintenance-free lead-acid batteries |
Battery Capability | 12V/7Ah×2,two groups |
Battery Voltage | 24 Vdc |
Battery Low Voltage Alarm | 23 Vdc |
Battery Low Voltage Alarm to Recover | 24.5Vdc |
Battery Low Voltage Protection | 21 Vdc |
Battery Low Voltage Protection to Recover | 24 Vdc |
Contact Us
- Guangdong Kingwood Electronic Co., Ltd.
- Contact nameAlice Tian Chat Now
- Phone86-020-38216943
- Address5/f, Block C, Dadi Industrial Park, Yongdong Road, Tangxia, Guangzhou City, Guangdong Province. China, Meizhou, Guangdong
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