SMA SI-TB-BOX-10 User Manual
Page 34
6 Electrical Connection
SMA America, LLC
34
SI_TDBOX-IA-eng-IUS122211
Installation Manual
D
Connecting terminal
blocks"Load L1", "Load L2"
with spring clamp terminals
Black/red For connecting L1 and L2 of the AC
sub-distribution for the loads
E
Connecting terminal blocks
"Neutral N" with spring clamp
terminals
Gray
For connecting N of the AC sub-
distribution for the loads, the PV plant,
the Sunny Island, and the generator or
the power distribution grid
F
Connecting terminal blocks
"Sunny Island AC2 L"
with
spring clamp terminals
Black
For connecting L of the AC 2 terminal of
Sunny Island
G
Connecting terminal blocks
"Sunny Island AC1 L"
with
spring clamp terminals
Black
For connecting L of the AC 1 terminal of
Sunny Island
H
2-pole miniature circuit-breaker
"F6" and "F7" with screw
terminals
"Grid or Generator L/L1",
"Grid or Generator L2"
Black/red For connecting L or L1 and L2 of the
generator or for connecting L1 and L2 of
the power distribution grid
I
2-pole miniature circuit-breaker
"F4" and "F5" with screw
terminals "Sunny Boy L1",
"Sunny Boy L2"
Black/red For connecting L1 and L2 of the PV plant
K
2-pole miniature circuit-breaker
"F2" and "F3"
‒
L
1-pole miniature circuit-breaker
"F1"
M
Bypass switch
‒
See Section 4.3
N
Overload protection
‒
O
Contact hazard protection
cover*
‒
Contact hazard protection cover with
6 anchorage points
* The contact hazard protection cover is shown as semi-transparent.
Position
Description
Color
Explanation