SMA AUTOMATIC SWITCH BOX M-20 - Manual (Page 29)

SMA Solar Technology AG 5 Electrical Connection
Installation Guide AS-BOX-M_L-IA-IEN110320 29
8. Insert the flange plates into the enclosure of the
Automatic Switch Box and tighten them with
screws.
Routing the cables through cable glands
Route every cable through the cable gland according to the following procedure. Insert the
communication cable as described in section 5.12 ”Connecting the Communication
Cables”, page 44.
1. Slightly loosen the lock nut of the cable gland.
2. Strip cable jacket.
3. Strip off the insulated conductors. Take the stripping length into account
(see section 10 ”Technical Data”, page 53).
4. Insert the cable into the Automatic Switch Box through the cable gland.
5. Tighten the lock nut firmly to the cable gland.
6.
Aluminum cable
If you use an aluminum cable, fill the connection terminals with contact paste.
SMA Solar Technology AG recommends the contact paste "Alu-Plus" from WAGO
company. This prevents contact corrosion.