socomec MASTERYS BC+ 10 kVA - Ups Parallel Configuration; Mains and Auxiliary Mains Connected Separately; With Internal Batteries )

13EN
MASTERYS BC+ 10-40 kVA - IOMMASBCXX0G-EN 02 - SOCOMEC
4.2 UPS Parallel confi guration
4.2.1 Mains and Auxiliary mains connected separately (with internal batteries)
X50 X50 X50
A
Q2
X20
A
Q2
X20
A
Q2
X20
X10 X10 X10
X40 X40 X40
Q4 Q4 Q4Q5 Q5 Q5
Q3 Q3 Q3
C
G
E E
H
G G
F
B
A
B
A
B
A
D
MAINS AUXILIARY MAINS
UPS 1 UPS 2 UPS n
OUT
10 m max25 m max 10 m max
up to 6 UPSs
KEY
A
Unit Input mains thermal-magnetic circuit brea-
ker.
E
Parallel bus cable.
B
Unit Auxiliary mains thermal-magnetic circuit
breaker.
F
External maintenance bypass switch
(1)
.
C
Input mains thermal-magnetic circuit breaker.
G
Unit output switch
(2)
.
D
Auxiliary mains thermal-magnetic circuit breaker.
H
System shutdown switch
(3)
.
1. If an external maintenance bypass switch
F
is present, it is advisable to connect a normally closed early make contact from
the switch to the parallel board of the concentrator unit.
2. If unit output switches
G
are present, it is advisable to connect a normally open early break contact from the switch to the
unit’s parallel board.
3. If a system shutdown switch
H
is present, it is advisable to connect a normally open early break contact from the switch to
the parallel board of the concentrator unit.