I-10 Interface Board Specifications Date Code 20011026
SEL-321/321-1 Instruction Manual
The rear of the relay will be similar to the following drawings:
Figure I.12: Interface Board 5 Output Contacts (Board Position 1)
Figure I.13: Interface Board 5 Output Contacts (Board Position 2)
Figure I.14: Possible Connections for Fast High Current Interrupting Output Contacts
(Circuit Load Not Shown, Third Terminal Connection is Optional)