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