Accessories SMA America, LLC
100 SB50US-80US-eng-IUS112633 Installation Guide
11.9 Torque Values and Cable Sizes
12 Accessories
You will find the corresponding accessories and replacement parts for your product in the following
overview. If needed, you can order these from SMA or your SMA dealer.
Terminal Torque Cable Size
Grey AC & DC terminal blocks (Weidmüller),
inverter
18 in-lbs. (2 Nm) 10 … 6 AWG
Green AC & DC terminal blocks (Phoenix),
inverter
40 in-lbs. (4.5 Nm) 8 … 6 AWG
22 in-
lb s . ( 2 . 5 N m )
10 AWG
Gray terminal blocks for wires not used in the
configuration of the AC voltage (Weidmüller)
22 in-lbs. (2.5 Nm) ---
Green terminal blocks for wires not used in the
configuration of the AC voltage (Phoenix)
15 in-lbs. (1.7 Nm) ---
AC & DC terminal blocks, SMA DC Disconnect 15 in-lbs. (1.7 Nm) 10 … 6 AWG
Combined terminal block, SMA DC Disconnect Spring terminal 10 … 6 AWG
Grounding conductor terminal block, SMA DC
Disconnect
15 in-lbs. (1.7 Nm) 10 … 6 AWG
Screws for fastening the Sunny Boy and the SMA
DC Disconnect to the wall mounting bracket and
closing the SMA DC Disconnect cover
44 in-lbs. (5 Nm) ---
Cover screws 53 in-lbs. (6 Nm) ---
Name Brief Description SMA Order Number
Power Balancer set Upgrade kit for the Power
Balancer function
PBL-SBUS-10-NR
RS485 upgrade kit RS485 interface 485USPB-NR
Bluetooth retrofit kit Bluetooth communication
interface
BTPBINV-NR
Ventilation grid "Right and left" ventilation grid
set as a replacement part
45-7202
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