AC Voltage Configuration
SMA America, LLC
18
SB50US-80US-IA-en-36
Installation Manual
4.2 Locating Internal Component Parts
Position
Description
A
Sockets for optional communication Piggy-Back (RS485 or wireless)
B
Display
C
Status LEDs
D
Jumpers for configuring the AC voltage and the fan test
E
Terminal blocks for configuring the AC voltage
F
Ground terminal (PE)
1
2
3
4
UNGROUNDED
GROUNDED
L1 L2 N
0
V
240
V
2
0
8
V
2
7
7
V
2 3 5 7
A B + -
GROUNDING
ELECTRODE
CONDUCTOR
COMBINED
A
B
C D
E
F
G
H
I
M
N
O
P
Q
R
L
K
