ABB 6920U-102-500 Manual Del Usuario página 22

Installation
Switch off supply voltage!
Supply and Load Connection (Fig. 1, pos. 5)
Connection to the supply system is via the terminals
L (phase) and N (neutral conductor).
CAUTION
The centre terminal is not to be used!
Refer to the Connection Diagram illustrated in Fig. 2.
The device is installed in a standard flush-type box (DIN
49073); it may only be operated when the appropriate
cover is in place.
a. Installation using screws
• Fix the device (Fig. 1, pos. 2), together with the mounting
plate (Fig. 1, pos. 1), in the conventional manner with the
screws supplied with the flush-type box
GB