Page 26
P O W E R I N G T E C H N O L O G Y
Document Number: MS0031-MAN rev. 7
guardian_access_ms31-man-rev7-0521.indd
4.8.1 Standard (combined) Input
Mains input terminal blocks are located on the rear left side of distribution unit. Mains cable
size is max. 16mm².
The mains input terminal blocks can be connected to:
•
1-phase 110VAC or 230VAC (Figure 4-4)
•
2-phase 240VAC - N.A./CALA (Figure 4-5)
•
3-phase 208/230/400VAC (Figure 4-6).
1 2 3 4 5 6 7
N
L
PE
1
PE
single phase 120/230VAC
Figure 4-4 AC Input Terminal Block (1-phase)
2-phase 240VAC (N.A. / CALA)
1 2 3 4 5 6 7
L1
PE
1
PE
L2
Figure 4-5 AC Input Terminal Block (2-phase)
3-phase 208/230VAC
(
∆
connection)
1 2 3 4 5 6 7
L1
PE
L2
L3
3-phase 400VAC
( Y connection)
1
2
3
4
5
6
7
N
L1 L2 L3
PE
Figure 4-6 AC Input Terminal Block (3-phase)
Recommended mains breaker:
Three pole 3 x 80A C-characteristic
Three pole 3 x 63A D-characteristic
