3 interior view connection unit 1000-us – SMA 600-US User Manual
Page 29
SMA America, LLC
6 Electrical Connection
Installation Manual
CU600-1000US-IA-en-10
29
6.2.3 Interior View Connection Unit 1000-US
Figure 11: Components and connection areas in the interior of the Connection Unit 1000-US
Item
Designation
A
Shaft of the DC switch-disconnector
B
Terminals for connecting the DC output cables (INPUT B)
C
Equipment grounding terminal
D
Fuse holders for string fuses (INPUT B)
E
Terminals for connecting the positive DC cables of the PV array (+) (INPUT B)
F
Terminals for connecting the negative DC cables of the PV array ( − ) (INPUT B)
G
Reverse polarity detection
H
Terminals for connecting the negative DC cables of the PV array ( − ) (INPUT A)
I
Terminals for connecting the positive DC cables of the PV array (+) (INPUT A)
K
Fuse extractor for string fuses (INPUT A)
L
Equipment grounding terminal
M
Terminals for connecting the DC output cables (INPUT A)