3 overview of the main components – SMA SC 500HE-20 Maintenance Manua User Manual
Page 35
SMA Solar Technology AG
7 Maintaining the Accessories
Maintenance Manual
SC500-800HE20-WH-en-10
35
7.1.3 Overview of the Main Components
Figure 11: Main components of the Sunny String-Monitor SSM
Item
Description
A
Cover latch
B
DC fuses
C
LEDs for displaying the operating state
D
Surge arrester
E
DC switch
F
Terminals for connecting the signalling cable for the response contact*
G
Terminals for connecting the control of the auxiliary trigger
*
A
I
K
L
M
H
1 2
3 4 5 6
L+
L+
I
K
F
C
N
O
P Q
R
O
N
S
T
A
H
A
B
D
B
A
A
E
A
G
A A
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