The file introduces the features of ASTEC LPQ250 series, including input range, frequency, efficiency, EMI filter, power factor, safety ground leakage current, maximum power, adjustment range, supervisory output, hold-up time, overload protection, logic control, remote on/off, DC-OK, remote sense, etc.
The LPQ250 Series is a 250‑watt power supply designed for network power applications. It features active power factor correction, IEC‑EN61000‑3‑2 compliance, remote sense on the main output, and optional fan covers for forced‑air cooling.
The unit operates from 85‑264 VAC input, provides quad outputs (120‑300 VDC), includes supervisory 5 V and 12 V outputs, and offers overload, over‑voltage and thermal protection. Environmental ratings cover 0 °C to 50 °C ambient operation and -40 °C to 85 °C storage, with an MTBF of over 550,000 hours.
| Total Power | 250 Watts |
|---|---|
| Input Voltage | 85‑264 VAC |
| Output Voltage | 120‑300 VDC |
| Number of Outputs | Quad |
| Switching Frequency | 120 kHz |
| Typical Efficiency | 75 % at full load |
| Power Factor | 0.99 typical |
| MTBF | >550,000 hours |
| Operating Temperature | 0 °C to 50 °C ambient |
| Storage Temperature | -40 °C to 85 °C |
The unit accepts an input voltage of 85 VAC to 264 VAC.
It provides four (quad) output channels.
Yes, it features active power factor correction.
Typical efficiency is about 75 % at full load.