2
.
Technical
Parameters
2.1 Rated parameters
Rated
DC
voltage:
220V
/
100V
Rated
AC
data:
Phase
voltage
100
/
3V
Zero
-
sequence
voltage
100V
AC
current
5A
/
1A
Zero
-
sequence
current
1A
Rated
frequency
50Hz
Thermal
stability:
AC
voltage
loop
Long
term
running
1
.
2Un
AC
current
loop
Long
term
running
1
.
2In
1s
40In
Zero
-
sequence
current
loop
Long
term
running
1A
1s
40A
2.2 Power
consumption
AC
voltage
loop:
＜
1VA/phase(rated)
AC
current
loop:
<
1VA/phase
(5A);
<
0
.
5VA/phase
(1A)
Zero-
sequence
current
loop:
＜
0
.
5VA
Protection
power
loop:
<
12W
(
normal
condition
); <
15W(Under
the
protectionaction)
2.3 Environmental
conditions
Working Environment:
Operating temperature:-25
℃
~+55
℃
. The
wettest
month
'
s
monthly
average
maximum
relative
humidity
is
90
%
,while
the
monthly
average
minimum temperature of the month is 25 °C and no
condensation in the
surface,While the maximum temperature is +40 °C,the
average
maximum
humidity
does
not
exceed
50
%
Storage
Environment:
Storage temperature: -30
℃
～
+75
℃
;
Relative
humidity
: <
80
%
Stored
rain
and
snow
proof
indoors
.
Ambient
air
does
not
contain
acidic
,
alkaline
or
erosive
and
explosive
gas
;
no
excitation
is
applied
under
the
limit
value
,
there
is
no
irreversible
change
in
the
device
.
After
the
temperature
is
restored
,
the
device
should
work
normally
.
Atmospheric
pressure
:
(80kPa-110kPa
<
relative
altitude
<
2km)
2
.
4
EMC
performance
Pulse group immunity: IEC61000-4-5, level 4
Can
stand
with
of
1MHz
and
100kHz
damped
oscillation
wave
pulse
group
leveling
test
according
to
G
B/T14598
.
13-1998
(the
first
half-wave
voltage
amplitude
is
2
.
5kV
,
the
differential
mode
is
1kV)
Fast
transient
immunity
:
GB/T14598
.
10-1997
,
level
3
Radiated electromagnetic field immunity: GB/T14598.9-1995, level 3
Electrostatic discharge: GB/T14598.14-1998-4.1, level 3
2.5 Electrical insulation performance
Insulation resistance: Using open circuit voltage 500V measurement instrument to test
between each charged conductive circuit and ground (outer casing or exposed non-charged
metal parts), between AC and DC circuit, between AC current circuit and AC voltage circuit,
the
instrument
tests
its
insulation
resistance
value
should
not
be
less
than 100MΩ.
-3-
