Tianjin Estel Electronic Science and Technology Co.,Ltd
TIANJIN ESTEL ELECTRONIC SCIENCE AND TECHNOLOGY CO.,LTD (ESTEL(GUANGDONG) TECHNOLOGY CO., LTD) We are the professoinal supplier of outdoor telecom cabinet, air conditioner, heat exchanger, and telecom
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Inverter power supply
1.Inverter Power Specifications
| QST048120/050C-J4A | ||
| DC input | Rated input voltage (Vdc) | -48 |
| Rated input current (A) | 95 | |
| Input DC voltage allowable range | Working voltage -40v ~ -58.8v Boot voltage -42v ~ -57v | |
| AC bypass input | Allowable bypass voltage (Vac) | 120±20% |
| Rated input current (A) | 33.3 | |
| Bypass conversion time (ms) | ≤4ms | |
| AC output | Rated capacity (VA) | 5000 |
| Rated output power (W) | 4000 | |
| Rated output voltage and frequency | 120Vac,60Hz | |
| Rated output current (A) | 33.3 | |
| Output voltage accuracy (A) | 120±3% | |
| Output frequency accuracy (Hz) | 60±0.1% | |
| Waveform distortion rate (THD) | ≤3% (linear load) | |
| Dynamic Response | 10% (load 25% ←→100%) | |
| Power factor (PF) | 0.8 | |
| Overload capability | ≥100%~125%, 10 minutes; 125%~150%, 15 seconds; 150%, immediately turn off | |
| Inverter efficiency | ≥85% (80% resistive load) | |
| Inverter conversion time (ms) | ≤4ms | |
| working environment | Insulation strength (input and output) | 1500Vac, 1 minute |
| Noise (1 meter) | ≤65dB | |
| Ambient temperature | -5℃~+40℃ | |
| humidity | 0~90%, no condensation | |
| Use altitude (m) | ≤1000 | |
| Mechanical Dimensions | Standard rack | 19inch 4U Rack Mount |
| Weight (Kg) | 15 | |
| Protective function | Input undervoltage, input overvoltage protection; output overload protection, output short circuit protection | |
3.Appearance Dimensions
DC48V 5KVA Rear View
19inch 4U Rack Mount Front & Rear View
| Port name | Function Description | Remarks | |
| DC input + | Battery input + | DC module input is positive | |
| DC input - | Battery input - | DC module input negative | |
| AC output l | AC output L | Output line | |
| AC output n | AC output N | Output zero line | |
|
AC input
| L | AC input L | Input line |
| N | AC input N | Input zero line | |
| E | Ground | Ground wire | |
|
Dry contact | Mains failure | Two points are connected when the fault occurs | |
| DC fault | Two points are connected when the fault occurs | ||
| Inverter fault | Two points are connected when the fault occurs | ||
|
Communication Interface | A | RS485A | |
| B | RS485B | ||
| G | GND | ||
| DIP switch | Mode selection: No. 1 number, "1" AC main unit; "0" is DC supply. The bo-b3(2-5) address ranges from 00 to 15, the lowest is 0, and the highest is 15. You can set 15 addresses. | After operating the dial switch To restart the power supply to take effect DIP switch to the number side is 1, to no side is 0 (0000-1111) | |