1-2 Introduction Date Code 20011026
SEL-321/321-1 Instruction Manual
From Front Panel:
• Set relay • Switch setting groups
• Read meter and other data • Password protection
Figure 1.1: SEL-321 Front Panel (One I/O Board Version)
Figure 1.2: SEL-321 Rear Panel (One I/O Board Version, showing conventional terminal
blocks – other options are available)