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1.0 UPS Input & Output Requirements.
Note: All SG Series hardwire UPS models must be installed by a licensed
electrician, in accordance with the National Electrical Code (NEC) ANSI/NFPA70
and all local regulations. It is further required that the input of SG Series hardwire
UPS be wired to a building service panel incorporating a dedicated “branch
rated” circuit breaker of the proper rating.
MODEL
REQUIRED
BRANCH RATED
CIRCUIT BREAKER
SG2K-1T-HW:- 120Vac, 50/60Hz, 14.2A, 1 phase, 2 wire plus ground 20A
SG2K-2T
-HW - 208-240Vac, 50/60Hz, 7.4A, 1 phase, 2 wire plus ground 15A
SG3K-1T-HW - 120Vac, 50/60Hz, 21.4A, 1 phase, 2 wire plus ground 30A
SG3K-2T
-HW - 208-240Vac, 50/60Hz, 11.2A, 1 phase, 2 wire plus ground 20A
WIRE GAUGE CHART
MODEL
AC INPUT
-1 = 120 Vac
-2 = 208-240 Vac
AC OUTPUT(S)
120 Vac 208 -240 Vac
SG2K-1T-HW
10 Awg. 600V
75°C CU
10 Awg. 600V
75°C CU
N/A
SG2K-2T-HW
12 Awg. 600V
75°C CU
N/A
12 Awg. 600V
75°C CU
SG3K-1T-HW
10 Awg. 600V 75°C
CU
10 Awg. 600V
75°C CU
SG3K-2T-HW
12 Awg. 600V
75°C CU
12 Awg. 600V
75°C CU
SCREW TORQUE SPECIFICATIONS FOR
INPUT/OUTPUT WIRING BLOCK
UPS
Wire Gauge
Torque
(inch pounds)
18 - 10 Awg.
20
8-6 Awg
25 - 30
ONLY USE WIRE WITH SOLID COPPER CONDUCTORS FOR ALL INPUT/OUTPUT/BATTERY WIRING
CAUTION
To reduce the risk of fire, connect only to a circuit providing over-current protection incorporating the
specified "branch rated" over-current protection device in accordance with the National Electrical
Code, ANSI/NFPA 70.
CHAPTER
CHAPTER
2
2
Installation Instructions For Hardwire Models
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