SMA SC 500HE-20 Maintenance Manua - Manual (Page 37)

SMA Solar Technology AG 7 Maintaining the Accessories
Maintenance Manual SC500-800HE20-WH-en-10 37
Figure 12: Main components of the Sunny String-Monitor SSM 24-11 (example)
Item Description
A DC fuses, positive pole
B Vent plug
C LEDs for displaying the operating state
D DC switch
E Surge arrester with ready indicator
F DC fuses, negative pole
G Drain plugs
A
C D
F
H I K L M N
E
1
1
2
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L+
1 2
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L+
1
2
112
233
445
566
778
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L-
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445
566
778
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123456
O
A
A
F
F
B
B
B
B
G G