4.7.4 General data table for current protection and wire sizing
These maximum and nominal ratings should be considered when choosing the
NEC (National Electric Code) Section 210-20 a rules must be applied.
DC current rating is the maximum battery discharge current which the UPS allows.
UPS Model
LP33 Series 20
LP33 Series 30
Modifications reserved
GE_UPS_ISG_LPS_3UL_20K_30K_2US_V010.docx
Fig. 4.7.4-1 Common Input Rectifier & Bypass
Fig. 4.7.4-2 Dual Input Rectifier & Bypass (option)
The AC values below are current ratings per phase.
appropriate AC over current protection device.
AC Input
AC Input Rectifier
F1
Nom.
57 A
57 A
87 A
87 A
Critical Power
AC Input Bypass
F2
Max.
63 A
57 A
96 A
87 A
DC Input
F3
F4
68 A
87 A
Installation Guide LP33 Series 20 & 30 UL S2
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