New Haas Mini Mill

Bubba73 · Jan 1, 2018

Hi guys,

New to the forum and just bought a brand new Haas Mini Mill. Had a couple of questions that maybe someone would be kind enough to answer. Does the power cable wire directly into a 40amp breaker box? Or does it plug into a 40amp receptacle that is wired into your main panel? I am putting the Mill in my garage at home.

Thanks

ewlsey · Jan 1, 2018

Is that a single phase machine? It's got its own breaker in the cabinet, so you can do whatever you want. Most just wire in direct.

Bubba73 · Jan 1, 2018

Yes ,,, Single phase. Thanks for the reply.

rklopp · Jan 1, 2018

I like to put a fused disconnect switch and/or a twist-lock plug close to the machine and after the breaker. This gives me a quick and certain way to isolate the machine to work on it. Even if it's just you, following LOTO perhaps without the L or T is still good practice. Used and surplus fused disconnects are pretty cheap on ePay. It's no problem to use a 3-phase disconnect on single phase. (Only fuse the two hot legs, and NOT the neutral. I used a piece of copper tube resized to the diameter of a fuse to substitute for the fuse on the neutral path through the disconnect.)

Mebfab · Jan 1, 2018

I will second the use of a twistlock whenever possible. As stated, you know its electrically isolated when you unplug it. Safety training demands checking anyway.

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