Protective Devices; Torques - SMA SUNNY BOY 3.8-US Instructions D'installation

10 Technical Data
Additional data volume when using the
Sunny Portal live interface
WLAN range in free-field conditions
Quantity maximum detectable WLAN networks
Topology
Cooling method
Enclosure type in accordance with UL 50E
Protection class
Grid configurations
Approvals and national standards, as per
10/2017

10.5 Protective Devices

DC reverse polarity protection
AC short-circuit current capability
Grid monitoring
Maximum permissible AC fuse protection
Ground fault monitoring SBS3.8-US-10
Ground fault monitoring SBS5.0-US-10
Ground fault monitoring SBS6.0-US-10
All-pole sensitive residual-current monitoring unit

10.6 Torques

Screw M5x60 for securing the inverter to the
wall mounting bracket
Screws for attaching the enclosure lid of the
Connection Unit
Screws for grounding at equipment grounding
terminals
Screws for AC-out terminal block for AC con-
nection
Screws for SPS terminal block for connecting
the outlet for secure power supply operation
Screws and fuses for DC connection
68 SBSxx-US-10-IA-xx-11
SMA Solar Technology America LLC
600 kB/hour
100 m
32
Transformerless
Convection
3R
1
240 V : 120 V split-phase system
UL 1741, IEEE 1547
Short-circuit diode
Current control
SMA Grid Guard 4.0
50 A
Insulation monitoring: R
Insulation monitoring: R
Insulation monitoring: R
Available
1.7 Nm ± 0.3 Nm (15.05 in-lb ± 2.65 in-lb)
3 Nm ± 0.3 Nm (26.55 in-lb ± 2.65 in-lb)
6 Nm ± 0.3 Nm (53.10 in-lb ± 2.65 in-lb)
0.3 Nm (2.65 in-lb)
0.3 Nm (2.65 in-lb)
2 Nm to 2.5 Nm (18 in‑lb to 22 in‑lb)
> 600 kΩ
iso
> 600 kΩ
iso
> 500 kΩ
iso
Installation Manual