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MegaFlex 1000 to 1600
UPS Installation Guide / REV-A
4.8.5
Data for Input/Output and Battery over current protection and wire sizing
Note!
Please read the safety precautions at the front of this guide carefully, and thoroughly review the
Battery manufacturers installation and maintenance manual before connecting the Batteries to the
UPS.
Disconnect devices on DC input and AC output are required and are not provided inside the UPS.
They shall be part of the building installation.
Fig. 4.8.5-1 Dual Input Utility Rectifier & Bypass
Fig. 4.8.5-2 Common Input Utility Rectifier & Bypass
The AC values below are current ratings per phase.
These maximum and nominal ratings should be considered when choosing the appropriate AC over current
protection device.
DC current rating is the nominal Battery discharge current with 1.8 V/cell (see Fig. 4.8.4-1 & Fig. 4.8.4.2).
Wiring shall not be sized for more than 2.0 Vdc/cell.
UPS rating
AC Input Rectifier
AC Input Bypass
AC Input
DC Input
CB1
CB2
CB3
CB4
Nom.
Max.
Nom.
Max.
MegaFlex 1000
1260 A
1386 A
1202 A
1260 A
1386 A
2388 A
MegaFlex 1100
1385 A
1510 A
1323 A
1385 A
1510 A
2626 A
MegaFlex 1200
1510 A
1638 A
1443 A
1510 A
1638 A
2865 A
MegaFlex 1500
1890 A
2058 A
1805 A
1890 A
2058 A
3582 A
MegaFlex 1600
2015 A
2185 A
1925 A
2015 A
2185 A
3820 A
