SMA Solar Technology AG Technical data
Installation Guide SB30TL_40TL_50TL-IA-IEN120231 89
Protective Devices
Climatic conditions in accordance with IEC 60721-3-4, installation type C, class
4K4H
Climatic conditions in accordance with IEC 60721-3-4, transport type E, class 2K3
General data
* According to EN 60529
** in accordance with IEC 62103
DC reverse-polarity protection Short circuit diode
All-pole DC disconnection unit Electronic Solar Switch,
SUNCLIX DC plug connector
DC overvoltage protection Thermally monitored varistors
AC short circuit protection Current control
All-pole AC disconnection unit Automatic disconnection device
SMA Grid Guard 3
Maximum permissible fuse protection 32 A
Personnel protection Insulation monitoring: R
iso
> 1 M Ω
All-pole sensitive residual current monitoring unit
Extended temperature range − 25 °C … +60 °C
Extended humidity range 0 % … 100 %
Extended air pressure range 79.5 kPa … 106 kPa
Temperaturbereich − 25 °C … +70 °C
Width x height x depth with Electronic Solar Switch
470 mm x 480 mm x 180 mm
Weight 22 kg
Length x width x height of packaging 594 mm x 594 mm x 360 mm
Transport weight 25 kg
Operating temperature range − 25 °C … +60 °C
Maximum operating altitude above mean sea
level
2,000 m
Noise emission, typical ≤ 25 dB(A)
Internal consumption in night mode < 0.5 W
Topology transformerless
Cooling concept convection
Electronics protection rating* IP65
Connection area protection rating* IP54
Protection class** I
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