Vertiv Liebert STS2 - Figure 3 Typical Liebert STS2;PDU, One-Line Diagram

Vertiv™ | Liebert® STS2/PDU
™
User Manual | Rev. 6 | 10/2017 9
See Figures 3 through 6 for typical one-line diagrams. Refer to Figures 26 through 31 for electrical field
connections on all units.
Figure 3 Typical Liebert STS2/PDU, one-line diagram
Figure 4 Typical Liebert STS2/PDU, one-line diagram, with dual static switch output circuit breakers
(not available on 250A units)
Surge
Suppression
Optional
Surge
Suppression
Optional
Transformer 1
Transformer 2
Neutral
Ground
CB6
CB4
CB1
CB3
Output
Breaker
CB8
CB2
CB5
CB7
SS1
SS2
Field-Supplied Wiring
PSP12006
Rev. 1
Source 1
Source 2
Source 1
Source 2
Surge
Suppression
Optional
Surge
Suppression
Optional
Transformer 1
Transformer 2
Ground
CB6
CB4
CB1
Output
Breaker
CB8
CB2
CB5
CB7
SS1
SS2
Field-Supplied Wiring
PSP12007
Rev. 1
CB3
CB3A
Neutral