Table 7-9 Specifications of the EPS75-4815AF power system
Item Specification
Input
l Rated input voltage: 220 VAC (90 VAC to 290 VAC)
(Note that in the range of 90 VAC to 175 VAC, the output
current also decreases linearly, limited within a specified
range.)
l Maximum input current: 28 A
l Frequency: 50 Hz (45 Hz to 65 Hz)
Output
l Rated output voltage: -53.5 VDC
l Voltage range: -42 VDC to -58 VDC
l Output current:
– LOAD1: 10 A (circuit breaker)
– LOAD2: 30 A (circuit breaker)
– LOAD3: 40 A (circuit breaker)
– LOAD4: 40 A (circuit breaker)
– BATT.: 80 A (circuit breaker)
Efficiency
≥ 90% (in rated working state)
Working temperature range -33 °C to +50 °C.
NOTE
In the range of +50°C to +65°C, the output current decreases linearly,
limited within a specified range.
Cooling method Forced air cooling, with the built-in fan in the rectifier module
Dimensions (W x D x H,
excluding the mounting
ears)
436 mm x 255 mm x 133 mm
7.2 PMIB01 Sensor Transfer Box
This topic describes the application and front panel of the sensor transfer box, and provides the
specifications of the sensor transfer box.
Function
The sensor transfer box provides various sensor ports to connect the EMU and external sensors.
Overview
The sensor transfer box is an optional part. It provides diverse sensor ports to connect the
monitoring unit to the sensors.
Front Panel
Figure 7-5 shows the PMIB01 sensor transfer box.
UA5000 Universal Access Unit
Environment Monitoring 7 EPS75-4815AF Monitoring Solution
Issue 01 (2012-08-17) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
89
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