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IEC 60950-1 (ed.1)
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Report No. 100711
TRF No. IECEN60950_1C
ATTACHMENT: CHINESE DIFFERENCES
Test results according to CB BULLETIN No. 112A, December 2006
Clause
Requirement - Test
Result - Remark
Ver-
dict
1.4.5 Supply
tolerance:
Item 1.4.5 of IEC 60950 stipulates the
tolerance of rated voltage is +6% and –10%,
while GB4943-2001 makes a specification of
tolerance of +10% and –10%.
tolerance of rated voltage is +6% and –10%,
while GB4943-2001 makes a specification of
tolerance of +10% and –10%.
Class III equipment.
N
1.7.1
Power rating marking:
Item 1.7.1 of IEC 60950 does not specify
concrete figures of markings for supply voltage
and frequency, instead, descriprions are give
by examples. But the examples do not include
Chinas`s mains voltage.
GB4943-2001 stiplulates that:
- A single rated voltage shall be expressed as
220V
- When a rated volrage range is given, the
range shall cover 220V
- When a variety of rated voltages or rated
voltage ranges are given, one of them shall be
220V, and shall be set as 220V when
dispatched from the factory
- Rated frequency or rated frequency range
shall be 50Hz or include 50Hz
- If a unit is not provided with a means of direct
connection to the a.c. mains supply, it need not
be marked with any electrical rating
Item 1.7.1 of IEC 60950 does not specify
concrete figures of markings for supply voltage
and frequency, instead, descriprions are give
by examples. But the examples do not include
Chinas`s mains voltage.
GB4943-2001 stiplulates that:
- A single rated voltage shall be expressed as
220V
- When a rated volrage range is given, the
range shall cover 220V
- When a variety of rated voltages or rated
voltage ranges are given, one of them shall be
220V, and shall be set as 220V when
dispatched from the factory
- Rated frequency or rated frequency range
shall be 50Hz or include 50Hz
- If a unit is not provided with a means of direct
connection to the a.c. mains supply, it need not
be marked with any electrical rating
Class III equipment.
N
1.7.12
Plate and warning marking in Chinese:
Item 1.7.12 of GB4943-2001 stipulates;
instructions and equipment markings related to
safety shall be in simplified Chinese
Item 1.7.12 of GB4943-2001 stipulates;
instructions and equipment markings related to
safety shall be in simplified Chinese
Must be considered before
marketing in China.
marketing in China.
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3.2.1
Power supply plug:
According to China`s particular standards for
power supply plug, it is added in article 3.2.1 of
GB4943-2001 that plug connecting equipment
with a.c. mains supply shall be in accordance
with requirements of GB1002
According to China`s particular standards for
power supply plug, it is added in article 3.2.1 of
GB4943-2001 that plug connecting equipment
with a.c. mains supply shall be in accordance
with requirements of GB1002
Class III equipment.
N
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