You may use the 400V trimmers in theory, if you can make a voltage divider. Is possible since you have found that the ideal voltage are between a interval, so the initial 200V can be at the resistive divider, and the pot at top (like most focus dividers). Of course, a real higher voltage device is safer.
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So many projects, so little time...
Last edited by Alex KL-1; 03-28-2023 at 09:00 AM.
Reason: Bad spelling
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