Hi Colin.
You wrote:
< I am having difficulty finding Reed Switch manufacturers that have a
European Safety certification. ( TUV, VDE, etc. )>
I don't think that I would ever use a reed switch on it's own for safety
purposes. Whenever I use one I ALWAYS use it with a fast fuse rated at
approx 25% of it's rated switching current in series. There are reed
switches offered described as 'heavy duty, etc., mercury wetted, non-weld,
and with various methods of preventing the contacts sticking on
overcurrent, but I wont sign the Safety Certificate unless there is a $0.30
fuse in the circuit.
There are potted reed switch/fuse (non replaceable) assemblies on the
market that require Samarium Cobalt magnets to pull them in (not many
people carry these turkeys), and these have BS approvals for use as Guard
Interlock switches. Is this the type of thing you are looking for?
Chris Dupres
Surrey, UK.
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