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HUAWEI USG9500 Series
Hardware Guide
Name
RUN indicator (green)
ALARM indicator (yellow)
FAULT indicator (red)
The EPW30B-48A AC power module provides protection functions against:
l
l
l
l
Table 1-30
Table 1-30 Technical specifications of EPW30B-48A AC power module
Item
Model
Dimensions (Height × Width ×
Depth)
Weight
Number of inputs
Maximum input voltage range
Rated input voltage range
Issue 03 (2017-12-15)
Output overcurrent
Output overvoltage
Short circuit
Various faults, through the alarm function
lists the technical specifications of the EPW30B-48A AC power module.
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Copyright © Huawei Technologies Co., Ltd.
Description
Indicates the running status. If it is steady on, the
power module is working properly.
Indicates alarms. If it is on, a recoverable fault occurs
on the power module.
l If it is blinking, the communication has been
interrupted.
l If it is steady on, the power module has
encountered a fault, such as overvoltage,
undervoltage, or overcurrent.
Indicates a fault. If it is steady on, an unrecoverable
fault occurs in the power supply module, such as fan
failure, no output current, or short circuit of output
current.
Description
EPW30B-48A
40 mm x 116 mm x 208 mm
1.8 kg
1
l 220 V rated voltage: 175 V AC to 264 V AC, 47
Hz to 63 Hz
l 110 V rated voltage: 90 V AC to 175 V AC, 47
Hz to 63 Hz (The output power reduces to half of
the maximum output when the input voltage is in
the range of 90 V AC to 175 V AC.)
l 220 V rated voltage: 200 V AC to 240 V AC,
50/60 Hz
l 110 V rated voltage: 100 V AC to 120 V AC,
50/60 Hz
1 Hardware Overview
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