#10
  
Follow up from my other thread. My Minimax MM16 starter switch has a component wired into it. I forgot to take a photo. Little black insert that fits perfectly inside the switch cover, has print on it says something about low voltage thresholds (something like that), has two wires that thread out through the cover and go switch terminals. My new switch did not come with this... thing, so I had to transplant it.

What is it?

Thanks.
Best,
Aram, defying laws of geometry

"Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.” Antoine de Saint-Exupery


Web: http://awacs.smugmug.com/Woodworking
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#11
  MM16 starter switch question Aram Follow up from my ot...
No idea. Never had the cover off of mine.
Steve





 
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#12
  MM16 starter switch question Aram Follow up from my ot...
(02-14-2020, 01:18 AM)Aram Wrote: Follow up from my other thread. My Minimax MM16 starter switch has a component wired into it. I forgot to take a photo. Little black insert that fits perfectly inside the switch cover, has print on it says something about low voltage thresholds (something like that), has two wires that thread out through the cover and go switch terminals. My new switch did not come with this... thing, so I had to transplant it.

What is it?

Thanks.

Could be a low voltage detector, for lack of the correct term.  If the voltage drops too low it trips so your motor doesn't get damaged.  

John
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#13
  RE: MM16 starter switch question jteneyck [quote='Aram' pid='7...
(02-14-2020, 01:38 PM)jteneyck Wrote: Could be a low voltage detector, for lack of the correct term.  If the voltage drops too low it trips so your motor doesn't get damaged.  

John

Thanks. That seems to line up with what I remember the label saying.
Best,
Aram, defying laws of geometry

"Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.” Antoine de Saint-Exupery


Web: http://awacs.smugmug.com/Woodworking
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#14
  RE: MM16 starter switch question jteneyck [quote='Aram' pid='7...
(02-14-2020, 01:38 PM)jteneyck Wrote: Could be a low voltage detector, for lack of the correct term.  If the voltage drops too low it trips so your motor doesn't get damaged.  

John

What he wrote sounds most logical.  Some controls also have overvoltage protection, as well as loss of phase (three-phase), but that's stuff that has to be specified when ordering a motor control.
Tom

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#15
  MM16 starter switch question Aram Follow up from my ot...
Does your machine have micro switches on a lid, a door etc that when opened it will shut the machine down? Those switches will be low voltage and a link to the contactor on the starter.
It's not always the quiet ones who don't have much to say.
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#16
  RE: MM16 starter switch question The Tinman Does your machine ha...
(02-16-2020, 02:44 PM)The Tinman Wrote: Does your machine have micro switches on a lid, a door etc that when opened it will shut the machine down? Those switches will be low voltage and a link to the contactor on the starter.

It does. I'm not sure I follow this. The interlocks (2 doors, 1 brake) provide a 0 ohm short to enable the motor to run. Can you elaborate about the low voltage?

Thanks.
Best,
Aram, defying laws of geometry

"Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.” Antoine de Saint-Exupery


Web: http://awacs.smugmug.com/Woodworking
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#17
  MM16 starter switch question Aram Follow up from my ot...
Without seeing your machine and it's starter I can't say for sure, but the 2 wires are a low volt circuit that completes the power to the contactor solenoid. @12 volts will go out to the switches wired in series on one of the wires and then back to the starter. If all the switches are in a closed position it will allow the contactor to energize.
It's not always the quiet ones who don't have much to say.
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MM16 starter switch question


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