Dear Gentlefolk of the emc-pstc.
A trivial question, but one that I'd appreciate the views of the group.
1. The equipment consists of a 24V psu, with a hand tool plugged into the
power supply, rather like a soldering iron.
2. The hand tool is 'unpluggable' from the psu, i.e. it is not permanently
connected.
3. The hand tool consists of a heated probe, which can reach 300 deg
Celsius.
4. 'Probes' are entirely passive, i.e. there are no voltages present
except those driving the 24V heater.
My questions are:
a) Does the power supply AND the hand tool have to meet the requirements
of the EC Low Voltage Directive?
- i.e. does the hand tool have to meet criteria of power supply
marking, temperature, mechanical protection, carrying handles etc. etc. as
well as the power supply?
OR
b) Can I simply test the power supply on it's own, and ignore the plug-in
hand tool as it is outside the scope of the LVD in terms of supply voltage?
OR
c) Must I test the two items plugged together as would be used in
practice.
d) I'm assuming that the relevant standards ie EN 61010-1, Controls and
lab equipment..., but should this come under EN 60204-1, Electrical
equipment of machine tools? Or is there another?
The same question must be asked of soldering irons, modelling drills, low
voltage tools not powered by batteries but from a variable or controlled
dedicated mains powered controller, I suppose.
Thankyou for listening :-)
Chris Dupres
Consulting Engineer
Surrey U.K.
tel 01342 843154
fax 01342 844219
