Immunity test IEC 60601 test level Con-
formity
Electromagnetic environment –
guidelines
Voltage drops, short
interruptions and voltage
fluctuations in the power
supply lines
IEC 61000-4-11
For the charger only
0% UT: ½ period at 0,
45, 90, 135, 180, 225,
270 and 315 degrees
0% UT: 1 period
70% UT: 25/30 periods
single-phase: at 0
degrees
0% UT: 250 periods
single-phase
Yes The quality of the power supply should
be equivalent to that of a typical com-
mercial or hospital environment. If the
unit has to remain continuously in ope-
ration even in the event of interrup-
tions to the power supply, it should be
connected to an uninterruptible power
supply.
Magnetic field at mains
frequency (50/60 Hz)
IEC 61000-4-8
30 A/m Yes Magnetic fields at mains frequency
should indicate levels that are typical
for an application in a commercial or
hospital environment.
Note: UT is the mains alternating voltage prior to application of the
test level.
3.6.2 Recommended safety distances
Recommended safety distances must be complied with between
portable and mobile HF telecommunication devices (e.g. mobile
phones) and the product, which is not life-sustaining.
The product is designed for operation in an electromagnetic envi-
ronment in which HF disturbances are controlled. The customer or
user of the product can help prevent electromagnetic interference
by maintaining a minimum distance between portable and mobile
HF telecommunication devices (transmitters) and the product –
depending on the output power of the communication device, as
specified below.
Rated power of trans-
mitter (W)
Safety distance, dependent on the transmission frequency (m)
150 kHz to 80 MHz
D=1.2 √P
80 MHz to 800 MHz
D=1.2 √P
800 MHz to 2.7 GHz
D=1.2 √P
0.01 0.12 0.12 0.23
0.1 0.38 0.38 0.73
1 1.2 1.2 2.3
10 3.8 3.8 7.3
100 12 12 23
Safety
EMC and requirements of the electrical standards > Recommended safety distances
18.12.2018 Refrigerator/freezer BL series 29
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