Huawei ETP48400-C9A2 User Manual page 83

ETP48400-C9A2 Embedded Power
User Manual
Item
AC input
protection
DC output
protection
AC surge
protection
DC surge
protection
Safety
MTBF
Table A-3 EMC specifications
Item
Electromagnetic
interference (EMI)
Issue 05 (2020-04-07)
Specifications
Peak-to-peak noise voltage
Psophometrically weighted
noise
Current sharing imbalance
AC input overvoltage protection
threshold
AC input overvoltage recovery
threshold
AC input undervoltage
protection threshold
AC input undervoltage recovery
threshold
DC output overvoltage
protection threshold
Nominal lightning strike discharge current: 20 kA (8/20 µ s);
maximum lightning strike discharge current: 40 kA (8/20 µ s)
Differential mode: 10 kA (8/20 µ s); common mode: 20 kA (8/20 µ s)
IEC/EN60950-1 and GB4943, TLC and CE certifications
200,000 hours (at 25° C)
Specifications
Conducted emission (CE)
Radiated emission (RE)
Harmonic current
Voltage fluctuation and
flick
Copyright © Huawei Technologies Co., Ltd.
A Technical Specifications
within 53.5 V DC ± 0.1 under 50%
loads.)
≤ 200 mV (rated input voltage and
0%–100% load)
≤ 2 mV (300–3400 Hz; input
power ≤ 264 V AC)
≤ ±5% (50%–100% load)
≥ 300 V AC
290 V AC–300 V AC
≤ 80 V AC
80 V AC–90 V AC
–58.5 V DC to –60.5 V DC
 If overvoltage occurs inside a
rectifier, the rectifier locks out.
 If the external voltage is
greater than -63 V DC for
more than 500 ms, the rectifier
locks out.
AC port: EN 55022 class B
DC port: EN 55022 class A
EN 55022 class B
IEC 61000-3-12
IEC 61000-3-3
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