[Amps] Tentec Titan Vacuum Relay Question

[R.Measures]

***   Chuck --  I would be interested trying to figure out what caused 
the relay to hotswitch and fuse the contacts.  Is this a ceramic relay 
about the size of a ping-pong ball? 

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>The relay fused in my Titan.  Does anyone know the brand and part number?
>Or do I have to just bite the bullet and order it from Tentec? b (I need it
>yesterday.)
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>Thanks,
>
>Chuck W5PR