Chapter 3 Electrical Installation 21
NX UPS Single Module And Parallel System 250kVA ~ 800kVA User Manual
oA
oB
oC
Output switch Q5 (option)
PE copper bar
PE1 (top cable entry)
Switch extension bar (4 pcs)
Maintenance switch Q3 (option)
bA
bB
bC
i/o/bN
Bypass switch Q2 (option)
Mains switch Q1 (option)
BAT+
BAT-
mA
mB
mC
PE2 (bottom cable entry)
Note:
1. mA, mB, mC, i/o/bN: rectifier input
2. bA, bB, bC, i/o/bN: bypass input
3. BAT+, BAT-, i/o/bN: battery input
4. oA, oB, oC,i/o/bN: output
5. PE: protective earth
6. i/o/bN: common N of input, output, battery
Figure 3-2 500kVA ~ 600kVA E UPS power cable connection terminals