22
emission is very low and the possibility of
interference with electronic devices is very
small
radio-frequency
emissionGB4824
Class B
This product is suitable for use in all
facilities, including household facilities and
public low-voltage power supply network
directly connected to domestic residential
buildings
Harmonic emission
GB 17625.1
Not
applicable
Voltage
fluctuation/flash
emission GB/T 17625.2
Not
applicable
Table 2
Guide and manufacturer's statement - electromagnetic immunity
This product is expected to be used in the electromagnetic environment
specified below, and the purchaser or user shall ensure that it is used in such
electromagnetic environment
Immunity test
YY0505 Test electrical
Level Guide
Electrical
level of
compliance
Electromagnetic
Environment -
Guide
Electrostatic
discharge GB/T
17626.2
±6 kV Contact discharge
±8 kV Air discharge
±6 kV
Contact
discharge±
8 kVAir
discharge
Floors should be
wood, concrete or
tile, and if covered
with
synthetic
materials,
the
relative
humidity
should be at least
30%
Electric
Fast
Instantaneous
Pulse
Group
GB/T 17626.4
±2 kV For Power cord
± 1 kV For input-output
lines
Not
applicable
\
Surge
GB/T 17626.5
±1 kV Line to line
±2 kV Line to ground
Not
applicable
\
Voltage
sag,
short
break
and
voltage
change
on
power
input
line
GB/T17626.11
＜ 5%UT,Lasting 0.5 cycles
（on UT，＞95% Sag）
40%UT,Lasting 5 cycles
（on UT，60% Sag）
70%UT,Lasting
25cycles
（on UT，30% Sag）
＜ 5%UT,Lasting5s （ on
UT，＞95% Sag）
Not
applicable
\
Power
frequency
magnetic field
（ 50/60 Hz ）
GB/T 17626.8
3A/m
3A/m
In case of abnormal
operation,
it
is
necessary to keep
the product away
from
the
power
frequency magnetic
field or install a
magnetic shield at
the site. The power
frequency magnetic
field
within
the
intended installation
site
shall
be
measured below the
compliance
