Huawei DPU40D-N06A3 - Page 63

DPU40D-N06A3, DBU20B-N12A3, and
DBU50B-N12A1 Distributed Power System
User Manual
A Technical Specifications
Issue 04 (2020-02-29)
Copyright © Huawei Technologies Co., Ltd.
57
Item
Specifications
Weight
≈ 7.5 kg
Efficiency
≥ 93% (220 V AC, 30% load)
≥ 96% (220 V AC, 50% load)
≥ 95% (220 V AC, 100% load)
Linear power
derating
2000 W (176–300 V AC)
1000 W (90–110 V AC)
AC input
Input system
220 V single-phase, compatible with 110
V dual-live wire
Input voltage
85–300 V AC
Input frequency
45–65 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

With DBU20B-N12A1,
DBU20B-N12A2 or without lithium
batteries: –54.5 V DC

With DBU20B-N12A3,
DBU25-N12A1, DBU40B-N12A2 or
DBU50B-N12A1: –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
400–410 V DC