SMA Solar Technology AG Technical Data
Installation Manual WB33-38-IA-IEN120940 73
11.2 General data
11.3 Protective Devices
Width x height x depth 450 mm x 350 mm x 236 mm
Weight 38 kg
Length x width x height of packaging 580 mm x 470 mm x 390 mm
Transport weight 43.7 kg
Climatic category (according to IEC 60721-2-1) 4K4H
Operating temperature range − 25°C … +60°C
Maximum permissible value for relative humidity,
non-condensing
100%
Maximum operating altitude above Mean Sea
Level
2 000 m
Noise emission (typical) ≤ 42 dB(A)
Power loss in night operation 0.10 W
Topology LF transformer
Cooling concept OptiCool: temperature-controlled fan
Fan connection designed for safe disconnection in accordance
with
DIN EN 50178:1998-04
Electronics protection rating according to
IEC 60529
IP65
Protection class (according to IEC 62103) I
DC reverse polarity protection Short-circuit diode
Input-side disconnection device Electronic Solar Switch
DC overvoltage protection Thermally monitored varistors
AC short-circuit current strength Current control
Grid monitoring SMA Grid Guard X
Maximum permissible fuse protection 25 A
Earth fault monitoring Insulation monitoring: R
iso
> 1 MΩ |
Galvanic isolation Available
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