12
MASTERYS
BC 60-80 kVA - Ref.: IOMMASBCXX06-EN 06
2. UNPACKING AND INSTALLATION OF THE UNIT
25
m
m
ax
7.
5
m
m
ax
H
A
C
C
B
L
R
E
E
F
G
2.7.3-1
Recommended parallel confi guration
Key
A
System input switch
B
Parallel bus cable
C
Single UPS magneto-thermal switch (if a
separate auxiliary power source is used, add
a magneto-thermal switch for each UPS)
D
Ext. bypass magneto-thermal switch
E
(1)
Output switch (connect signal status to
the parallel board)
F
(1)
System shutdown switch
G
Distribution
H
Main diff erential magneto-thermal switch
Max 2 units in parallel
(1). To avoid unwanted tripping, do not use the magneto-thermal switch.