2.32
SEL-421 Relay
Instruction Manual
Date Code 20171021
Installation
Connection
Figure 2.35
Rear-Panel Receptacle Keying
A
B
C1
2
3
A
B
C1
2
3
AB
C
2
13
C
AB
B
2
13
A
C
1
2
3
AB
C
2
13
C
AB
B
12
3
A
C1
2
3
Key Inserts
(One Pair for Each
Screw-Terminal Connector)
200-Addresses
Receptacles
100-Addresses
Receptacles
300-Addresses
Receptacles
Summary of Contents for SEL-421-4
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