Snubber Circuit for a 3-phase inductive load

Thread Starter

abuhafss

Joined Aug 17, 2010
307
Hi

I am using a contactor to run a 3-phase 1-hp motor instantaneously for a few seconds. I need to add snubber to avoid voltage spikes.

My questions:
a) What kind of snubber circuit should I use.
b) Do I need to add a separate snubber circuit for each phase?
 
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