Bi1248
‐
1200
User
Manual
5
4.
Preparation
4.1
Inspection
After
unpacking,
please
check
if
the
unit
is
damaged
during
the
transportation
and
there
is
complete
set
of
accessories.
Users
manual
Signal
wire
4.2
Installation
requirements
Storage
temperature
‐
40
~
+70°C
Working
temperature
‐
25
~
+60°C,
Relative
humidity:
5%
‐
95%,
no
condensation
Cooling
method:
air
cooling
Altitude:
2000m
or
less,
meeting
the
derating
requirements
of
GB3859.2
‐
93
4.3
Cable
and
Fuse
preparation
Please
refer
to
the
table
below
for
cable
and
fuse
specifications:
Model
Connector
Nominal
Current
Recommended
cable
Recommende
d
Fuse
Bi1248
‐
120
0
12V+
12Vdc
100A
length<2m,
25mm²or
3AWG
and
above
No
extra
fuse
requested
12V+and
BAT
‐
12Vdc
200A
length<3m,
35mm²or
2AWG
and
above
250A
48V+and
BAT
‐
48Vdc
25A
10mm²or
7AWG
and
above
No
extra
fuse
requested
COM
‐
22AWG
Please
install
a
cable
fuse
on
12Vdc
input
as
safety.