IEC61347 High-frequency Spark Generator
- PRODUCT DETAIL
IEC61347 High-frequency Spark Generator is made according to IEC61347-1 Clause 14.5 to check whether gases liberated from component parts are flammable or not.
Rating: 220V or else according to customer required, 25W max.
14.5 Compliance is checked by operating the lamp controlgear at any voltage between 0,9
and 1,1 times the rated supply voltage with the lamp connected and with the lamp controlgear
case at tc; then, each of the fault conditions outlined in 14.1 to 14.4 inclusive shall be applied
The test is continued until stable conditions are obtained, and the lamp controlgear case
temperature is measured. When making the tests of 14.1 to 14.4, components such as
resistors, capacitors, semiconductors, fuses, etc. may fail. It is permitted to replace such
components so as to continue the test.
After the tests, when the lamp controlgear has returned to ambient temperature, the insulation
resistance measured at approximately 500 V d.c. shall be not less than 1 MΩ.
To check whether gases liberated from component parts are flammable or not, a test with a
high-frequency spark generator is made.
To check whether accessible parts have become live, the test according to Annex A is carried
To check whether emission of flames or molten material might present a safety hazard, the
test specimen is wrapped with a tissue paper, as specified in 4.187 of ISO 4046-4, and shall
Test to establish whether a conductive part
is a live part which may cause an electric shock
A.1 In order to determine whether a conductive part is a live part which may cause an electric
shock, the lamp controlgear is operated at rated voltage and nominal supply frequency, and
the following tests are conducted.
A.2 The part concerned is a live part if a current of more than 0,7 mA (peak) or 2 mA d.c. is
For frequencies above 1 kHz, the limit of 0,7 mA (peak) is multiplied by the value of the
frequency in kilohertz, but the result shall not exceed 70 mA (peak).
The current flowing between the part concerned and earth is measured.
Compliance is checked by measurement in accordance with Figure 4 and 7.1 of IEC 60990.
A.3 The voltage between the part concerned and any accessible part is measured, the
measuring circuit having a non-inductive resistance of 50 kΩ. The part concerned is a live
part if a voltage of more than 34 V (peak) is measured.
For the above test, one pole of the test supply shall be at earth potential.