SMA SC 500U Installation - Manual (Page 47)

SMA Solar Technology AG
Installation Guide SC500U-IUS093411 47
8.4 Requirements for Connecting cables to Rails
In order to connect the cables to the rails of the Sunny Central, you will need cable lugs. Use the
following cable lugs:
• UL listed
• Two-hole cable lug, space between holes 1.75 in. (44.5 mm)
• Use 1/2 in. or M12 bolt, nut and washer
Attach the cable lug to the cable according to the manufacturer's instructions.
Connecting 1 Cable to a Rail
Figure to the right: Layout for connecting a cable lug to
the rail in the interface cabinet.
A Screw head
B Lock washer
C Rail
D Cable lug
E Nut
E B D C B A