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