Reply by MJCD

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Posted on 3-Phase Electrical Service

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595 posts in 2847 days

#1 posted 05-06-2018 10:38 PM

I want to provide some closure on this… as a thanks for your comments and consideration…

I’ve added a 100A service to my workshop, to support a living-space expansion upstairs. Within two years, I’ll have all 220-V machines on 3-phase – this will be my dust collector & bandsaw; and the J/P and sliding TS that I have on-order, now. The new sub-panel will feed a Phase Perfect PT-355 (already arrived); which outputs 65A of 3-phase power.The PT-355, with a surge protector between the single & three-phase systems, will output to a 100A 3-phase sub-panel.

For the next two years, there will not be concurrent loads on the 3-phase panel (only one of the J/P & Slider machines will be on, at a time). With the addition of the DC and BS, it’s likely that two or more machines will be on concurrently – if I’m ripping on the BS, I often clean the cut-edge on the joiner; plus the DC will be on, as well.

In summary, I’m taking the sage advice, and outputing to a 3-phase sub-panel; eventhough, I could probably just daisy-chain a 30A circuit in the short-term.

Thanks, again.

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