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Busbar compartment: The compartment where main and
distribution busbar systems are installed.
Cable compartment: Location where power connections
are made to the rear of the device.
Location A
Location B
Location C
Location D
MNS-SG standard compartments
Location AB
Location CD
MNS-SG standard compartments
1.7.
The main horizontal busbar is installed in the busbar
compartment located at the middle of the section. The main
horizontal bus may be supplied in various configurations
depending on the current rating.
Breaker segregation
Cable Compartment
Bus Bar Compartment
Device Compartment
1.7.1. Bus phases
The horizontal busbar is located at the bottom of each
section. The phase arrangement of 3-phase horizontal
busbar and vertical busbars is A, B, C from top to bottom, or
left to right, as viewed from the front.
The busbar systems are installed in the lower level busbar
compartment. The tie busing will be installed at the upper
level.
Tie Bus Bar
Cable Compartment
Main Bus Bar
Bus Bar Compartment
Device Compartment
Busbar compartments
Segregation Wall to
Cable compartment
Tie Bus Bar
(Optional)
Main Bus Bar
Segregation Wall to
Device compartment
Horizontal busbars
PHASE A
PHASE B
PHASE C
NEUTRAL
PHASE A
PHASE B
PHASE C
Bus Phases
Manual | MNS-SG Operation and Maintenance 9
Tie Bus Bar
Main Bus Bar
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