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4.30
SEL-421 Relay
Instruction Manual
Date Code 20171021
Front-Panel Operations
One-Line Diagrams
Source Transfer Bus
Throw-Over Bus
Figure 4.37
Source Transfer (Option 23)
BAYNAME
ESC
NAVIG
BUSNAM2
BAYLAB1
BUSNAM1
BK2
BK1
AQ_1
AQ_2
AQ_3
AQ_4
AQ_5
AQ_6
Figure 4.38
Throw-Over Bus Type 1 Switch (Option 24)
BAYNAME
BUS1
ESC
NAVIG
BUS2
SW2
AQ_2
AQ_1
SW1
AQ_3
AQ_4
AQ_5
AQ_6
BK1
Summary of Contents for SEL-421-4
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