switching substation Telecom 48/24v DC power Supply
USD $300 - $500 /Unit
Min.Order:1 Unit
Shijiazhuang Tonhe Electronics Technologies Co., Ltd.
rectifier substation Telecom 48/24v DC power Supply details
Parameter | 48V DC output power module | 24V DC output power module | HVDC 240V DC output power module | |||||
TH48T50ZZ-3 | TH48V20A-220 | TH48V30A-220 | TH48V30A-110 | TH24T30ZZ-3 | TH240T20NZ-A-ZT | |||
Input | Input voltage | 380V AC±15%, 3 phase | DC220V (-10% ~ +30%), or 220V AC±15% | DC110V±15% | 380V AC±20%, 3 phase | 380V AC±15%, or 220V AC ±15% | ||
AC input frequency | 45Hz ~ 65Hz | 45Hz ~ 65Hz | 45Hz ~ 65Hz | |||||
Efficiency | ≥91% | ≥91% | ≥93% | |||||
Output | Output voltage | 40-58V | 21-29V | 200-292V DC | ||||
Output current | 5-50 A | 2-20A | 3-30A | 3-30A | 3-30A | 20A | ||
power (W) | 3000 | 1200 | 1800 | 1800 | 900 | 6000 | ||
Start delay | 3 ~ 8s | 3 ~ 8s | 3 ~ 8s | |||||
Ripple | ≤ 200mV | ≤ 200mV | ≤ ± 0.5% | |||||
Current stabalization | ≤ 0.5% | ≤ 0.5% | ≤ 1% | |||||
Voltage stabalization | ≤ ± 0.5% | ≤ ± 0.5% | ≤ ± 0.5% | |||||
Inter-rectifier Current sharing imbalance | ≤ ± 3% | ≤ ± 3% | ≤ ± 5% | |||||
Cooling method | Natural cooling with heat sink | Natural cooling with heat sink | Forced cooling with fan | |||||
Protocal | RS485 or RS232 | RS485 or RS232 | RS485 or RS232 | |||||
Accoustic noise | <50dB | <55dB | ||||||
Protection | Multi-protection | Multi-protection including input over or under-voltage, output over or under-voltage, over-temperature, reverse connection, phase failure, and short circuit protection. The rectifier will shut down without output, and will return to normal operating after fault is cleared. | ||||||
Automatic current limiting | The output current will keep fixed without increase after it exceed the set point. | |||||||
Environment | Operation ambient temperature | -20°C ~ 50°C | -10°C~ 40°C | |||||
Storage temperature | -40°C~ 60°C | -40°C~ 70°C | ||||||
Relative humidity | ≤ 90% | ≤ 90% | ||||||
Air pressure | 70 ~ 106kPa | 70 ~ 106kPa | ||||||
Safety | Insulation resistance | I/O to chassis and input to output >10MΩ (Test voltage: 500Vdc) | ||||||
Dielectric strength | Impose 2000Vdc between I/O and the chassis aftering shorting the input and output for one minutes. No breakdown or flashover | |||||||
Mechanical | Size (H × W × D) mm | 179×109×260 | 179×109×260 | 230×130×325 | 230×130×325 | 179×109×260 | 260×85×397 | |
Weight | 4.5kg | 4.5kg | 7.5kg | 7.5kg | 4.5kg | 9kg |
production line :