SMA Solar Technology AG Technical data
Installation Guide SB33_38-IEN111851 67
Mechanical Data
Climatic Conditions
* according to DIN EN 50178:1998-04, installation type C, class 4K4H
** according to DIN EN 50178:1998-04, transport type E, class 2K3
Features
General Data
* according to DIN EN 60529
Protective Devices
Width x height x depth 450 mm x 352 mm x 236 mm
Weight 38 kg
Extended temperature range* − 25 °C … +60 °C
Extended air humidity range* 0 % … 100 %
Extended air pressure range* 79.5 kPa … 106 kPa
Temperature range**−25 °C … +70 °C
Operating temperature range − 25 °C … +60 °C
Maximum operating altitude above mean sea
level
2 000 m
Topology LF transformer
Cooling concept OptiCool
Fan connection Designed for safe disconnection
In accordance with DIN EN 60529
Protection rating* IP65
Protection class I
Noise emission (typical) ≤ 40 dB(A)
All-pole DC disconnection unit Electronic Solar Switch,
DC plug system SUNCLIX
DC overvoltage protection Thermally monitored varistors
Personal protection (R
iso
> 1 M Ω ) Insulation monitoring
Reverse polarity protection Short circuit diode
AC short circuit protection Current control
All-pole AC disconnection unit Automatic disconnection device
SMA Grid Guard 2.1