On Wed, 30 Apr 2008 17:56:08 +1200, you wrote:

>Cedric Chang wrote:
>>> On Apr 29, 2008, at 6:47 PM, Estevan wrote:
>>>
>>> Greetings all!
>>>
>>>   I have been asked to find a way to switch between 2Kv AC and 3Kv  
>>> AC (1.6mA MAX) (around 5W MAX) to a few different loads. Does  
>>> anybody have a good supplier or any links for this type of thing?
>>>
>>>   Thanks for your help!
>>>
>>>   Best regards,
>>>   Estevan
>>>     
>>
>> How fast, how often ?
>> cc
>>   
>1.6ma * 3kv = 48 watts :-(
>Roy

But a switch shouldn't have to handle anything like that...
vacuum relay is probably easiest - look at  the high-end of reed relay sizes as you may find
something suitable there.

Otherwise, HV mosfets or IGBTS - maybe MOSFETS with photovoltaic optoisolators to simplify the gate
drive, 

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