Critical Power
Modifications reserved
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GE_UPS_ISG_LPS_3UL_20K_30K_2US_V010.docx
Installation Guide
LP33 Series 20 & 30 UL S2
Size of Branch Circuit Over current Protection - All Models:
"CAUTION - To reduce the risk of fire, only connect UPS to a circuit provided with (see below)
maximum amperes branch circuit over current protection in accordance
with the NEC (National Electric Code), NSI / NFPA 70
UPS Model
AC Input
AC Input Rectifier
AC Input Bypass
DC Input
F1
F2
F3
F4
LP33 Series 20
80 A
80 A
80 A
90 A
LP33 Series 30
125 A
125 A
125 A
110 A
Wire sizing according to NEC Section 210-20 (a) Table 310-16
Use 167°F (75°C) copper wire
Wiring requirements:
AC INPUT:
3-Phase, 4 wire plus Ground
AC OUTPUT:
3-Phase, 4 wire plus Ground
DC INPUT:
3 wire (positive, negative and neutral) plus Ground
Maximum cable diameter that terminals can accept.
Refer to torque specifications table for torque requirements.
UPS Model
Rectifier Input Bypass Input
DC Input
AC Output
GND
LP33 Series 20
1/0 AWG
1/0 AWG
1/0 AWG
1/0 AWG
1/0 AWG
LP33 Series 30
4/0 AWG
4/0 AWG
4/0 AWG
4/0 AWG
4/0 AWG
