APC GALAXY 7000 - Manual (Page 23)

Prerequisites > Power cables for parallel UPSs
34020846EN/AD - Page 23
1. Installation
M o d u l a r U P S s i n p a r a l l e l w i t h e x t e r n a l b y p a s s c a b i n e t
1 Do not include redundant UPS units.
2 Standard NFC15-100 limits the number of cables to four.
P a r a l l e l U P S s w i t h S S C ( s t a t i c - s w i t c h c a b i n e t )
1 Do not include redundant UPS units.
2 Standard NFC15-100 limits the number of cables to four.
AC cable sizes are determined for:
the TNS system for copper, single-core cables, type U1000 R02V, 100 m long with a line voltage drop <3%, installed on
perforated cable trays, XLPE-type insulation, single-layer trefoil formation, THDI between 15% and 33%, 35°C, at 400 V,
grouped in four touching cables.
Battery cable sized are determined for:
copper, single-core cables, type U1000 R02V, maximum length 25 m with a line voltage drop <1%.
Important: the output cables must be at least 6 metres long (L
≥
6m)
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
Power cables between the UPS units and the upstream protective devices must all be of the same size and length.
Power cables between the UPS units and the load must all be of the same size and length.
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
Normal AC
Normal AC
Normal AC
Bypass AC
L
L
L
Load
UPS 1
UPS 2
UPS 3
Bypass cabinet
L
L
L
Normal AC
Bypass AC
Normal AC
Normal AC
UPS 2
Load
UPS 1
UPS 3
SSC