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OPM_SGS_ISG_10K_40K_0US_V010.doc 22/45 Installation Guide SG Series 10, 20, 30 & 40 kVA
WIRING
Wire sizing according to
NEC Section 210-20 (a) Table 310-16
Use 75°C (167°C) copper wire
Wiring requirements:
AC INPUT RECTIFIER: 3-Phase, 3 wire plus Ground
AC INPUT BYPASS: 3-Phase, 4 wire plus Ground
AC OUTPUT: 3-Phase, 4 wire plus Ground
DC INPUT: 2 wire (positive and negative) plus Ground
Maximum cable diameter that terminals can accept.
Refer to torque specifications table for torque requirements.
Rectifier Input Bypass Input DC Input AC Output GND
SG Series 10 kVA
3 AWG 3 AWG 3 AWG 3 AWG 3 AWG
SG Series 20 kVA
3 AWG 3 AWG 3 AWG 3 AWG 3 AWG
SG Series 30 kVA
1 AWG 1 AWG 1 AWG 1 AWG 1 AWG
SG Series 40 kVA
1 AWG 1 AWG 1 AWG 1 AWG 1 AWG
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