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SMA Solar Technology AG
14 Technical Data
Protective Devices
DC reverse polarity protection
Protection against module reverse currents
Input-side disconnection device
DC overvoltage protection
Short-circuit diode, electronic string fuse
Electronic string fuse
Electronic Solar Switch, SUNCLIX DC connector
Thermally monitored varistors
optional: surge arrester type II
AC short-circuit current capability
Grid monitoring
Maximum permissible fuse protection
Earth fault monitoring
Current control
SMA Grid Guard 4
50.0 A
Insulation monitoring Riso > 687.5 k Ω
All-pole sensitive residual-current monitoring unit
available
String-failure detection
available
General Data
Width x height x depth with
Electronic Solar Switch
Weight
Length x width x height of packaging
665 mm x 690 mm x 265 mm
59 kg
780 mm x 380 mm x 790 mm
Transport weight
65 kg
Climatic class as per IEC 60721-2-1
4K4H
Operating temperature range
Maximum permissible value for relative humidity,
non-condensing
Maximum operating altitude above MSL
Power loss in night operation
Topology
− 25°C … +60°C
100%
3,000 m
<1W
transformerless
Cooling concept
OptiCool: temperature-controlled fan
Fan connection
designed for safe disconnection
according to DIN EN 50178:1998-04
Degree of protection according to IEC 60529
Protection class (according to IEC 62103)
Installation Manual
IP65
I
STP8-17TL-IA-en-31
97