DPU40D-N06A3 power supply unit for distributed power system

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Power supply unit

Combine with lithium battery as a distributed power system

Supports remote monitoring

Support the mobile app connection

Supports online expansion to increase loading capacity

Integrates power rectification, monitoring, power distribution, and surge protection


The DPU40D-N06A3 & lithium battery distributed power system is a distributed power solution for wireless base stations and supports online capacity expansion. The DPU40D-N06A3 PSU converts AC or HVDC into DC power and can report fault alarms and monitoring data to the upstream network management system (NMS) or the app in real time.

Tech Specs
Technical Specifications
Dimensions (H x W x D) 400 mm x 60 mm x 300 mm (excluding connectors and including the protective structure)
Weight ≤ 7.5 kg (including connectors and conversion brackets)
Efficiency ≥ 93% (220 V AC, 30% load)
≥ 96% (220 V AC, 50% load)
≥ 95% (220 V AC, 100% load)
Output power 2000 W (176–290 V AC)
2000–1000 W (176–90 V AC)
AC input Input system 220 V single-phase, compatible with dual 110 V live wires
Input voltage range 90–290 V AC
Input frequency 45–66 Hz
Power factor ≥ 0.99 (100% load)
Total harmonic distortion (THD) ≤ 5% (100% load)
HVDC input Input voltage 90–400 V DC
DC output Output voltage range –42 V DC to –58 V DC
Default output voltage PSU-only scenario, battery mode: –54.5 V DC
With lithium batteries connected, constant voltage mode: –57 V DC
Regulated voltage precision ≤ ±0.6%
Ripple and noise ≤ 200 mVp-p
Current sharing imbalance < ±5% (20%–100% load)
AC input protection AC input overvoltage protection threshold ≥ 298 V AC
AC input overvoltage recovery threshold 290–298 V AC
AC input undervoltage protection threshold ≤ 85 V AC
AC input undervoltage recovery threshold 85–90 V AC
DC input protection DC input overvoltage protection threshold ≥ 410 V DC
DC input overvoltage recovery threshold 400–410 V DC
DC input undervoltage protection threshold ≤ 85 V DC
DC input undervoltage recovery threshold 85–90 V DC
DC output protection DC output overvoltage protection threshold –56 V DC to –60 V DC
If overvoltage occurs due to an internal fault, the PSU shuts down.
If the external voltage is 1 V DC higher than the preset voltage protection threshold for 1s, the PSU shuts down.
If the external voltage is greater than 63 V DC for 500 ms, the PSU shuts down.
Input surge protection Differential mode: 20 kA (8/20 μs), common mode: 20 kA (8/20 μs)
Output surge protection Differential mode: 10 kA (8/20 μs), common mode: 20 kA (8/20 μs)
IP rating IP65
Safety design Complying with IEC/EN 60950-1, IEC/EN 60950-22, and IEC/EN 62368-1
Mean time between failures (MTBF) 500,000 hours (ambient temperature 25°C)
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