14 Technical Data SMA Solar Technology AG
94 SB30-50TL-21-IA-en-21 Installation Manual
* Depending on country setting
Protective Devices
General Data
Operating range at AC mains frequency 60 Hz 55 Hz to 65 Hz
Displacement power factor, adjustable 0.8
overexited
to 1 to 0.8
underexited
Feed-in phases 1
Connection phases 1
Overvoltage category as per IEC 60664-1 III
DC reverse polarity protection short-circuit diode
Input-side disconnection device*
*Optional
Electronic Solar Switch
DC overvoltage protection thermally monitored varistors
AC short-circuit current capability current control
Grid monitoring SMA Grid Guard 3
Maximum permissible fuse protection 25 A
Earth fault monitoring Insulation monitoring: R
iso
> 625 k Ω
All-pole sensitive residual-current monitoring unit available
Width x height x depth,
without Electronic Solar Switch
490 mm x 490 mm x 185 mm
Width x height x depth,
with Electronic Solar Switch
490 mm x 519 mm x 185 mm
Weight 26 kg
Length x width x height of packaging 597 mm x 617 mm x 266 mm
Transport weight 31 kg
Climatic category as per IEC 60721-3-4 4K4H
Environment category Outdoors
Degree of pollution outside the enclosure 3
Degree of pollution inside the enclosure 2
Operating temperature range − 25°C to +60°C
Maximum permissible value for relative humidity,
non-condensing
100%
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