Vertiv Liebert EXL - Page 92

PARALLEL CONFIGURATION Liebert EXL S1
91
User Manual 10H52226UM60 - Rev. 1 - 01/2017
Figure 50 - Schematic diagram of a multiple block system in a TN-C grounding system
1) For fuse ratings, see the chapter with technical data
2) Values are determined by the dimensions of the Service Bypass
3) Circuit breaker or fuse
4) External Service Bypass (Ext. SBS) - must be a switch, a fused switch or a circuit breaker
LOAD
DISTRIBUTION
PEN
L1
L2
L3
PE
N
U2
V2
BLOCK n
BLOCK 1
U2
V2
U1
V1
U1
V1
U
V
U
V
PE
N
PE
N
3)
2)
3)
1)
3)
1)
3)
1)
3)
1)
4)