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[Amps] Solid state relay question

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Subject: [Amps] Solid state relay question
From: (Vic Rosenthal)
Date: Sat, 15 Jun 2002 21:24:11 -0700
I have a Henry Radio SS750 solid-state amp that runs on 14v at about 100 amps
max.  I'm using a pair of Astron 70-amp power supplies in parallel (they have a
sense input that permits this) to power the amp.  These are the 230-volt
versions of the RS70A.  I have been using this setup for a couple of years.

I recently installed a 25a 250v rated solid state relay in the 230-volt line to
make it easier to control the supplies from my operating position.  Since then
I've randomly blown fuses in the supplies -- not when turning them on, but when
keying the rig.  Note that the fuses are in the supplies, after the relay.

Does anyone have any idea why this would happen? 


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