Installation Guide

10 Technical Data
SMA Solar Technology AG
Installation ManualSBxx-1SP-US-40-IA-xx-1572
10.6 Fan (only with Sunny Boy 7.0-US / 7.7-US)
Width x height x depth 60mmx 60mmx 25.4mm
(2.36 in x 2.36 in x 1 in)
Maximum operating altitude 3000m (9843ft)
Air flow rate ≥40m³/h
10.7 Protective Devices
DC reverse polarity protection Short-circuit diode
AC short-circuit current capability Current control
Grid monitoring SMA Grid Guard 4.0
Maximum permissible fuse protection 50A
Ground fault monitoring SB3.0-1SP-US-40 Insulation monitoring: R
iso
>600kΩ
Ground fault monitoring SB3.8-1SP-US-40 Insulation monitoring: R
iso
>600kΩ
Ground fault monitoring SB5.0-1SP-US-40 Insulation monitoring: R
iso
>600kΩ
Ground fault monitoring SB6.0-1SP-US-40 Insulation monitoring: R
iso
>500kΩ
Ground fault monitoring SB7.0-1SP-US-40 Insulation monitoring: R
iso
>429kΩ
Ground fault monitoring SB7.7-1SP-US-40 Insulation monitoring: R
iso
>391kΩ
All-pole sensitive residual-current monitoring unit Available
Arc fault detection AFCI, type 1, listed accord-
ing to UL1699B
Available
10.8 Torques
Screw M5x60 for securing the inverter to the
wall mounting bracket
1.7Nm ± 0.3 Nm (15.05in-lb ± 2.65in-lb)
Screws for attaching the enclosure lid of the
Connection Unit
3Nm ± 0.3Nm (26.55in-lb ± 2.65in-lb)
Screws for grounding at equipment grounding
terminals
6Nm ± 0.3Nm (53.10in-lb ± 2.65in-lb)
Screws for SPS terminal block for connecting
the outlet for secure power supply operation
0.3Nm (2.65in-lb)
Screws for AC-out terminal block for AC con-
nection
0.3Nm (2.65in-lb)
Screws for DC-in terminal block for DC connec-
tion
0.3Nm (2.65in-lb)
ENGLISH