Hi Dave,
The specifications on that converter are a bit misleading. It should say "Up to 600 Watts under specific input/output conditions" . Here is the manual for it: https://electronilab.co/wp-content/uploads/2015/05/BOOST-600W-user-manual.pdf .

Per page 2, the input is limited to 15 amps and the output is limited to 10 amps. So one has design around those amperage limitations. So if you use 28 VDC input, you'll be fine. And you'll JUST be able to output the needed 10 amps.

73, Gordon KJ6IKT

At 07:33 AM 5/19/2022, David Stinson wrote:

I have a project brewing which requires 32 Volts
at 10 amps.Ā I intend to use a 600 Watt DC/DC
converter which will input anything from 12 to 60
volts unregulated and output a constant 32 volts.
Here's one such:
https://www.amazon.com/Dasiter-Converter-12-60V-Step-up-Transformer/dp/B08B63RYD6/

If I input 12 volts, I'm gonna need about 26 amps plus or minus
to get 32 volts at 10 amps out.Ā That's half the rated power
this thing specs.

Trouble is- Look at those input and output connectors.
How on earth can one pull 320 Watts, much less 600, through
those little screw terminals??Ā I'll probably go 28V in just
to knock the input current down to something reasonable.

Dave S.