Unit Description, PSU 1200 W
• input -48/-60 V DC
• output +27.2 V DC
• EPC Bus (Opto)
Note: The PSU has no backplane connections.
15.2.4 Indicators
There are three indicators located on the front panel:
Table 116
Indicator
Colour
Fault Red
Operational Green
EPC bus fault
Yellow
15.2.5 Input Data
Table 117 Input data
Nominal input voltage (-48) - (-60) V DC
Permitted variation input voltage
(-39) - (-72) V DC
Input Current
<36A
Inrush current
< 200 A
Efficiency
> 85%
Non-destructive voltage 0 - (-75) V DC
Max. power consumption 1411 W
Max. heat generation
211 W
15.2.6 Output Data
Table 118 Output data
Nominal output voltage +24 V DC
Factory set value +27.2 ±0.1 V DC
Voltage range
22.0 - 29.0 V DC
Output power
1200 W
Output current at 27.2
44.1 A
Output current at short circuit
<60A
EN/LZT 720 0008 P2A
2001-11-28
193 (485)
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