SMA SC 500HE-20 Maintenance Manua - 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