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Zenith Automatic Transfer Switch | new.abb.com/low-voltage
ZT30 Electrical Panel
A: Control Power Transformers
B: Controller SPD
C: Electrical
Panel Input:
D: Maintenance Switch
E: Relay Driver Module
F: Engine Start Relay
CPS Box
H: Customer I/O
I: Engine Start
Terminals
J: Voltage Output
Fuse Block for
Customer Use
A: Control Power Transformers
B: Controller SPD
C: Electrical
Panel Input:
D: Maintenance Switch
E: Relay Driver Module
F: I/O Modules
G: MX350
Controller
I: Engine Start
Terminals
J: Voltage Output
Fuse Block for
Customer Use
H: Customer I/O
Figure S5-12: Front view of MX350 Electrical Panel
Figure S5-13: Front view of MX250 Electrical Panel