Post by thread:[EE] Supplier of key switches

Hi Im looking for a supplier of key switches of two differing types where each one could be made to work off a common master key. The first type is conventional SP (or DP would do) latching with key removable in either position, to be used as a simple On/Off switch. The second type is more unusual. It would need to act like the above, but also have a third non latching spring loaded position which momentarily closed a separate pair of contacts - similar to the ignition key on a car except that it would need to allow the key to be removed in positon 1 & 2 but not 3. can anyone recommend somewhere that can supply them, and as I say, ones that will work off a master key? Thanks Andre