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3 overview of the main components – SMA SC 500HE-20 Maintenance Manua User Manual

Page 35

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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