23 Mar
2006
23 Mar
'06
4:44 p.m.
On 3/23/2006 at 9:21 PM Jim Beacon wrote:
I've still got a bunch of telco mercury-wetted sealed DPST reed relays. I
think this wasn't because of current, but rather that the contacts probably
stayed quiet over the life of the equipment.
Cheers,
Chuck
It is also often used in high speed relays,
especially for teleprinter
type
circuits - we had some mainframe / telegraph
interfaces with mercury
wetted
>relays in them, in operation, until about 8 years ago