Technical Data SMA Solar Technology AG
90 SB20_25_30HF-IEN102911 Installation Guide
Climatic conditions in accordance with IEC 60721-3-4
Installation type C, class 4K4H
Transport type E, class 2K3
Protective Devices
General data
Extended temperature range − 25 °C … +60 °C
Extended humidity range 0 % … 100 %
Extended air pressure range: 79.5 kPa … 106 kPa
Temperature range−25 °C … +70 °C
DC reverse polarity prevention Short-circuit diode
All-pole DC disconnection unit Electronic Solar Switch,
DC plug system SUNCLIX
DC overvoltage protection Thermally monitored varistors
Personal protection (Riso > 1 M Ω ) Insulation monitoring
AC short circuit protection Current control
All-pole AC disconnection unit Automatic disconnection device
SMAGrid Guard 3
Maximum fuse protection 25 A
Galvanic isolation available
Width x height x depth with Electronic Solar
Switch
348 mm x 580 mm x 145 mm
Weight 17 kg
Width x height x depth of packaging 450 mm x 600 mm x 400 mm
Transport weight 21 kg
Operating temperature range − 25 °C … +60 °C
Maximum operating altitude above mean sea
level
3,000 m
Noise emission (typical) No data
Internal consumption in night mode < 1 W
Topology HF transformer
Protection rating according to IEC 60529 IP65
Cooling concept OptiCool: temperature-controlled fan
Protection class I
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