Sel SEL-421 - Page 97

U.2.37
Date Code 20020501 User’s Guide SEL-421/SEL-421-1 Relay
Installation
Connection
Figure 2.27 Rear-Panel Receptacle Keying, SEL-421 Relay.
ABC123 ABC123
ABC 213 CAB B213 AC 123 ABC 213 CAB B123
A
C123
Key Inserts
(One Pair for Each
Screw Terminal Connector)
200-Addresses
Receptacles
100-Addresses
Receptacles
300-Addresses
Receptacles