Product photo
AC To DC Power Converter For Telecom
HW Series · 5G Integrated Power Supply · High-efficiency AC to -48VDC conversion · IP65 outdoor design · Modular design with monitoring and battery management options.
Model: HW20E-L50DC48 / HW30E-L50DC48
Capacity
2000W/48V + 48V/50Ah · 3000W/48V + 48V/50Ah
Output voltage
-43VDC to -58VDC · Stabilization accuracy < ±0.6%
Input
176–264VAC · 45–55Hz · Input PF > 0.99 (rated load)
Protection class
IP65 · Lightning protection (8/20µs, 20kA)
| Parameter | Value |
|---|---|
| Series | HW Series (5G Integrated Power Supply) |
| Models | HW20E-L50DC48 · HW30E-L50DC48 |
| Capacity | HW20E-L50DC48: 2000W/48V + 48V/50Ah · HW30E-L50DC48: 3000W/48V + 48V/50Ah |
| Input voltage | 176–264VAC |
| Input frequency | 45–55Hz |
| Input power factor | >0.98 (30% rated load) · >0.99 (100% rated load) |
| Output voltage | -43VDC to -58VDC |
| Output voltage stabilization accuracy | < ±0.6% |
| Conversion efficiency | >96.5% (50% rated load) · >96% (100% rated load) |
| Peak-to-peak noise voltage | ≤200mV |
| Source effect | ≤ ±0.1% |
| Load effect | ≤ ±0.5% |
| Input over voltage protection | ≥120% of rated voltage |
| Input under voltage protection | ≤80% of rated voltage |
| Output over current protection | Current limiting range adjustable from 20% to 110% of nominal value |
| Short circuit | Yes |
| Over temperature protection | Yes |
| Lightning protection | Withstands 5 impacts of simulated lightning current waveform 8/20µs, 20kA |
| System noise | <45dB(A) |
| Communication | Dry contact · RS232/RS485 · NB-IOT · Bluetooth · Wireless (options) |
| Protection class | IP65 |
| Size (power module) | W306 × D98 × H410 mm |
| Size (battery module) | W316 × D220 × H410 mm |
| Weight (power module) | 10.8 kg |
| Weight (battery module) | 34.4 kg |
| Working temperature | -40–65°C (≥65°C, output power derating) |
| Storage temperature | -40–80°C |
| Humidity | 10–95% (non-condensing) |
| Atmospheric pressure | 70–106 kPa |
| Altitude | 0–3000 m |
| Cooling mode | Natural cooling |
| Minimum order | 90 |