12 Technical Data
SMA Solar Technology AG
Operating manual
47
MC-BOX-12-3-20-BE-en-13
DC auxiliary circuit via
X113:3
and
X113:4
: maximum permitted rated current
of the back-up fuse
0.5A mT
DC auxiliary circuit via
X113:3
and
X113:4
: forward current of the back-up
fuse
≤ 10 kA
General Data
Number of line conductors
3
Permitted grid configuration
TN-S, TN-C-S and TT
Rated frequency
50 Hz
Frequency range 50 Hz*
45 Hz to 52 Hz
Frequency range 60 Hz*
45 Hz to 65 Hz
Rated load factor (RDF)
0.8
Rated impulse withstand voltage
4 kV (2000 m)
Width x height x depth (with base)
1200 mm x 1600 mm x 435 mm
(incl. 200 mm base)
Weight
228 kg
Maximum operating altitude above mean sea level
2300 m
Inner subdivision
Form 1 (no subdivision)
Exterior design
closed type
Installation
only fixed interior installation
permitted
Construction type
fixed components
Suitable for use by electrically qualified persons or unqualified persons
Installation of the system and
replacement of equipment by
electrically qualified persons
only / actuation of test buttons
and read-off of information by
unqualified persons permitted
Measures for protection against electric shock
Basic protection through
insulation materials and covers /
fault protection through
grounding conductors and short-
circuit protection devices /
personal protection through
residual-current devices
Enclosure degree of protection (as per IEC 60529)
IP55
Degree of protection with open enclosure door (as per IEC 60529)
IP20B
Pollution degree at the mounting location (as per IEC 61439-1:2011)
3
Pollution degree in the enclosure (micro-environment)
2
Содержание MULTICLUSTER-BOX 12
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