SMA AUTOMATIC SWITCH BOX M-20 - Manual (Page 43)

SMA Solar Technology AG 5 Electrical Connection
Installation Guide AS-BOX-M_L-IA-IEN110320 43
1. Remove filler-plug from the enclosure opening for M32x1.5 cable gland in the right flange
plate.
2. Attach the M32x1.5 cable gland to the enclosure opening.
3. Route the cable through the cable gland (see section 5.2).
4. Connect PE to terminal strip "1_1-X6/ Generator". Take the labeling on the connection terminals
into account.
5. Connect N to terminal strip "1_1-X6/ Generator". Take the labeling on the connection terminals
into account.
6. If you use the Automatic Switch Box M, connect L to connection terminal "L1" of the terminal strip
"1_1-X6/ Generator".
7. If you use the Automatic Switch Box L, connect L1, L2 and L3 to the terminal strip
"1_1-X6/ Generator". Take the labeling on the connection terminals into account.
Risk of lethal electric shock without an operating contact protection.
• Connect the generator directly to the Automatic Switch Box.
or
• Connect the generator to the side of the generator and to the side of the Automatic Switch
Box using a plug with protection against contact.