Installation manual

Prerequisites > Power cables for parallel UPSs
34020846EN/AE - Page 23
1. Installation
Parallel UPSs with SSC (static-switch cabinet)
1
Do not include redundant UPS units.
2
Standard NFC15-100 limits the number of cables to four.
Important: For > 200 kVA UPSs, the output cables must be at least 6 metres long (L ≥ 6 m).
UPS
cabinet
in kVA
Nbr
of
UPSs
Total power
rating
1
in
kVA
Current on
AC bypass or
load in A
Min. size for AC
bypass or load in
mm²
250 2
3
4
500
750
1000
722
1083
1443
2x185
3x300
4x240
300 2
3
4
600
900
1200
866
1300
1732
2x240
4x240
4x300
400 2
3
4
800
1200
1600
1154
1732
2308
4x185
4x300
4X500
500 2
3
4
1000
1500
2000
1433
2165
2886
4x240
4X500
Consult us
2
L
L
L
Normal AC
Bypass AC
Normal AC
Normal AC
UPS 2
Load
UPS 1
UPS 3
Cabinet
SSC