UPS/NTA GB/DELMP_EXPC1C3C6_B 18
3.1.3 Modular systems with three UPS units or more
X20
X20
X20
MBP Q5
X10: rectifier input
X40: bypass input
X50: to the load
X20: battery connection
REC: Rectifier
INV: Inverter
BAT: battery
BP: bypass facility
ABP: automatic bypass
MBP: maintenance bypass
* other protection upon request.
NOTE: in such a configuration, the system is
fitted with an EXTERNAL maintenance
bypass.
NOTE: in any case, see the technical details of the diagram.
3.2 LAYOUT OF SWITCHES
Description of switches:
Q4: automatic bypass switch
Q3: output switch
Q5: maintenance bypass switch
Note:
Q20: battery protection is located in
the battery cabinet or battery
enclosure.
Q1: rectifier input switch (optional)
Q4 Q5 Q3
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