Table 8-7 Specifications of the ETP4890 power system
Parameter Class Parameter Description
Conditions Operating
environment
temperature
-40°C to +70°C
Operating
environment
humidity
5% to 95% (no condensation)
Altitude 0 m to 4000 m
(Note that in the range of 2000 m to 4000 m, the
operating environment temperature decreases
by 1°C when the altitude increases by 200 m.)
AC input Mode mono-phase, dual-live wire
Voltage 85 V AC to 300 V AC (rated value: 110V/220
V)
Frequency 45 Hz to 65 Hz (rated value: 50 Hz)
Power factor
≥ 0.99 in the case of a rated load
Rectifier module
efficiency
Peak efficiency ≥ 96%
≥ 95% (220 V AC, 45% to 80% load)
DC output Voltage -43.2 V to -57.6 V
Default voltage -53.5 V
Maximum power
l 4800 W (55°C, input voltage: 176 V AC to
300 V AC)
l 2400 W (90Vac),(55°C, input voltage: 85 V
AC to 175 V AC,decreased linearly)
NOTE
The maximum output power of the system is the
number of configured rectifier modules multiplied by
the output power of each rectifier module.
Regulated voltage
precision
≤ ±0.6%
Peak noise voltage
≤ 200 mV (0 MHz to 20 MHz)
Structure Dimensions (W x D
x H) without
brackets
442 mm x 255 mm x 86.1 mm
Weight
≤ 10 kg (including modules)
Protection class IP20
Installation mode Installed in a IEC cabinet or an ETSI cabinet
with brackets
UA5000 Universal Access Unit
Environment Monitoring 8 ETP4890 Monitoring Solution
Issue 01 (2012-08-17) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
127
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