Huawei AR550-8FE-D-H - Page 596

Table 4-13 Function description
Function Description
Input overcurrent
protection
In this protection state, the power adapter stops supplying power and
cannot automatically resume power supply when the input current
restores to the normal range.
Output current
limiting protection
In this protection state, the power adapter supplies power
intermittently. When the output current is limited within a range, the
power adapter automatically resumes power supply.
Output
overvoltage
protection
In this protection state, the power adapter stops supplying power
intermittently. When the output voltage restores to the normal range,
the power adapter automatically resumes power supply.
Output short-
circuit protection
In this protection state, the power adapter supplies power
intermittently. When the short circuit is removed, the power adapter
automatically resumes power supply.
Heat dissipation The power adapter does not have built-in fans and uses nature heat
dissipation.
Technical Specifications
Table 4-14 lists technical specifications of a 24 W integrated power adapter with an adapter
cable.
Table 4-14 Technical specifications
Item
Specification
Physical
specifications
l Dimensions (W x D x H): 51 mm x 86 mm x 28 mm (2.01 in. x
3.39 in. x 1.10 in.)
l Weight: 0.15 kg (0.33 lb)
Environment
parameter
Operating temperature: -5°C to +45°C (23°F to +113°F)
Input Rated input voltage range: 100 V AC to 240 V AC, 50 Hz/60 Hz
Maximum input voltage range: 90 V AC to 264 V AC, 47 Hz to 63
Hz
Maximum input current: 0.8 A
Output Rated output voltage: 12 V DC
Maximum output voltage range: 11.4 V DC to 12.6 V DC
Maximum output power: 24 W
Maximum output current: 2 A
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
4 Power Supplies
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 585