The potential at any point (TOUCH CURRENT) expressed as voltage
and
does not exceed the following value:
Frequency range : 15 Hz to 1 MHz and d.c. respectively
Note:
Appropriate measures should be taken to obtain the correct value in case of non sinusoidal waveforms.
The measuring instrument is calibrated by comparing the frequency factor of
with the solid line in figure F.2 of IEC 60990 at
various frequencies. A calibration curve is constructed showing the deviation of
from the ideal curve as a function of frequency.
TOUCH CURRENT =
/ 500 (peak value).
The part or contact of a TERMINAL is not HAZARDOUS LIVE if:
Note:
The limit values of
= 0.35 V (peak) for a.c. and
= 1.0 V for d.c. correspond to the values 0.7 mA (peak) a.c. and 2.0 mA
d.c.
a) The open-circuit voltage should not exceed 35 V (peak) a.c. or 60 V d.c. or, if a) is not met.
b) The measurement of the TOUCH CURRENT shall be carried out in accordance with IEC 60990, with the measuring network
described in
Annex D
of this standard.
The TOUCH CURRENT expressed as voltages
and
, does not exceed the following values:
- for a.c. :
= 35 V (peak) and
= 0.35 V (peak);
- for d.c. :
= 1.0 V
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Содержание 32EL833G
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