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Re: Victor connect to 30 A instead of 40 A
When choosing breaker (and subsequent wire size), I typically consider 2 factors:
- Motor selection
- Duration of usage in match
I use 40amp on CIMs almost exclusively due to their power draw. For smaller motors like PG71/188, usually or 30 amp unless its a continuous-usage motor (for example some conveyors) because of the heat produced in the wiring. Window motors usually 20 amp, Mini CIM either 30 or 40, Van Door/Snow Blower 30 amp.
Moral of the story, determine the power draw based on your motors, not speed controllers. I recommend checking the stall current draw for each motor (those specs are widely available) and judge accordingly.
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