Vertiv Liebert STS2/PDU - Breakers

Vertiv™ | Liebert
®
STS2
™
100-1000A, 50/60Hz User Manual | Rev. 12 | 11/2017 27
Figure 14 Electrical field connections drawing: 100 – 250 amp Liebert STS2 with dual output breakers
1/2" - 13
PEM Nut
1/2" - 13
PEM Nut
1.77"
(45mm) Typ.
1.65"
(42mm)
Typ.
1.75"
(44.4mm)
1.75"
(44.4mm)
1.75"
(44.4mm)
1.75"
(44.4mm)
Ground
Bus
Neutral Bus
Neutral
Bus
Source 1 Input ØA
Source 1 Input
ØA, ØB, ØC
Source 2 Input
ØA, ØB, ØC
System Output
ØA, ØB, ØC
Source 1
Source 1 Input ØB
Source 1 Input ØC
Source 2
System Output
ONE-LINE DIAGRAM
INPUT/OUTPUT BUS
Right Side
GROUND BUS
Front
FRONT
(Panels Removed)
CB1
CB1
CB4
CB4
CB3
CB3A
CB2
CB2
CB5
CB3
Front
CB3A
CB5
K1
K1
K2
K2
K3
K3
PS212101
Rev. 5
NOTES
1. Top and bottom cable entry available through removable access plates.
Remove, punch to suit conduit size and replace.
2. Control wiring and power wiring must be run in separate conduit.
Output cables should be run in a separate conduit from input cables.
3. Aluminum and copper-clad cables are not recommended.
4. All wiring must be in accordance with national and local electrical codes.
5. Hardware kit is supplied for input, output, neutral and ground cable
connections. Kit includes 1/2" bolts, washers and nuts for connecting
cables to the busbars.
6. The torque requirement for 1/2" - 13 PEM nuts is 428 in./lb (48Nm).
A
NEUTRAL BUS
Right Side
SECTION A-A
Side View
Ø 0.51"
(13mm)
Typ.
41.1"
(1044mm)
36.7"
(932mm)
32.2"
(818mm)
26.4"
(671mm)
A
A
B
C
A
B
C
A
B
C