SMA America, LLC
Accessories
Installation Guide
SB8-10TL-IUS103811
69
12.7 Torque values and wire sizes
13 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
in-lbs
Nm
Wire size
AC terminal blocks inverter
40
4.5
6 ... 2 AWG (16 … 35 mm²),
194 °F (90 °C) rated copper
wire (NEC 310.16)
DC terminal blocks inverter
40
4.5
8 ... 2 AWG (10 … 35 mm²),
194 °F (90 °C) rated copper
wire
AC terminal blocks DC
Disconnect
40
4.5
6 ... 2 AWG (16 … 35 mm²),
194 °F (90 °C) rated copper
wire (NEC 310.16)
DC terminal blocks DC
Disconnect
40
4.5
8 ... 2 AWG (10 … 35 mm²),
194 °F (90 °C) rated copper
wire (NEC 310.16)
Grounding electrode conductor
terminal block DC Disconnect
40
4.5
8 ... 2 AWG (10 … 35 mm²),
194 °F (90 °C) rated copper
wire (NEC 310.16)
Screws for fastening the Sunny
Boy and the DC Disconnect to
the wall mounting bracket and
closing the DC Disconnect lid
44
5
---
Lid screws
53
6
---
Name
Description
SMA order number
Sunny Boy Combiner Box
String combiner for 6 strings maximum
SBCBTL6-10
Power Balancer set
Upgrade kit for the Power Balancer
function
PBL-SBUS-10-NR
RS485 upgrade kit
RS485 interface
485USPB-SMC-NR
Bluetooth
upgrade set
Bluetooth
communication interface
BTPBINV-NR
Air grills
Air grill set "right and left" as replacement
part
45-7202
AC varistors
AC varistor replacement kit
SB-VAC-US01
