WIRING DIAGRAMS
UG MODULAR SYSTEM
UG MODULAR SYSTEM
UG MODULAR SYSTEM
UG MODULAR SYSTEM
UG MODULAR SYSTEM
UG MODULAR SYSTEM
120/240 VAC Single Phase
120/208 VAC Three Phase Wye
277/480 VAC Three Phase Wye
480 VAC Three Phase Delta
120/240 VAC Three Phase High Leg Delta
240 VAC Three Phase Delta
240 VAC Grounded Phase Delta
UG28A2401S
UG30A2401S
UG28A2403D
UG30A2403D
UG28A2083Y
UG30A2083Y
UG30A2403G
UG28A4803D
UG30A4803D
UG28A4803Y
UG30A4803Y
L1
L2
L3
N
G
L1
L2
L3
N
G
L1
L2
L3
N
G
L1
L2
N
G
L1
L2
L3
G
L1
L2
L3
G
BLACK
BLACK
BLACK
WHITE
GREEN
BLACK
BLACK
BLACK
WHITE
GREEN
BLACK
BLACK -Note 2
BLACK
GREEN
BLACK
BLACK
BLACK
GREEN
BLACK
RED
BLACK
WHITE
GREEN
BLACK
BLACK
WHITE
GREEN
Figure 1
Figure 6
Figure 3
Figure 5
Figure 2
Figure 4
2
NOTE:
Use a 30 amp breaker with both the U28 and UG30 Series units. (2) L2 will be grounded in a 240 VAC
Grounded Phase or Corner Grounded Delta.