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View bilyo's profile

Magnetic Switch

by bilyo
posted 10-19-2018 09:49 PM


9 replies so far

View Fresch's profile

Fresch

433 posts in 2313 days


#1 posted 10-19-2018 11:12 PM

Buy the 120volt switch.
It works when you hold the button in because (didn’t look up your switch) you are manually holding the magnetic part in, when you let go the coil won’t hold in because you need 240 volt would be my guess.

View lumbering_on's profile

lumbering_on

578 posts in 883 days


#2 posted 10-19-2018 11:17 PM

There’s a coil that closes the circuit, and 110V isn’t strong enough to allow it to do that.

edit: Fresch, I noticed that you responded while I was looking up the manual to double check the switch.

https://d27ewrs9ow50op.cloudfront.net/manuals/d4153_m.pdf

View bilyo's profile

bilyo

696 posts in 1495 days


#3 posted 10-20-2018 12:17 AM

Thanks for the verification. I guess I wasn’t too careful. I just assumed if was rated for 220 it would be OK for 110. That usually works. I’ll re-order one for 110v. Don’t want to re-wire the saw.

View MrUnix's profile

MrUnix

7388 posts in 2592 days


#4 posted 10-20-2018 12:21 AM

Which switch? Some can be made to work, others can’t. (ie: most 240v switches still just use 120v for the coil)

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

View TheFridge's profile

TheFridge

10858 posts in 1879 days


#5 posted 10-20-2018 01:05 AM

If it comes on at all the cool is probably 120v. A 240v coil will chatter at best when power is applied if it works at all.

You might have to unscrew the starter from the enclosure to check coil voltage. Or look up the specs.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View bilyo's profile

bilyo

696 posts in 1495 days


#6 posted 10-20-2018 02:49 AM


Which switch? Some can be made to work, others can t. (ie: most 240v switches still just use 120v for the coil)

Cheers,
Brad

- MrUnix

This one.

View MrUnix's profile

MrUnix

7388 posts in 2592 days


#7 posted 10-20-2018 03:56 AM

Ok, just as a long shot – which way did you have the hot/neutral hooked up? The coil should be connected to one side of the 240v only, so if you had that side wired as neutral, it wouldn’t work and would act like you describe. I did find this wiring diagram for 120v (same KJD17B contactor as you have) that might work.

If that doesn’t work wired like above, then you will probably need to return the one you got and get one designed for 120 (or 120/240).

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

View bilyo's profile

bilyo

696 posts in 1495 days


#8 posted 10-20-2018 01:39 PM

Followed diagram above the 1st time and it didn’t work. On the chance I read it wrong (or what ever) I switched it side to side. Still didn’t work.

View bilyo's profile

bilyo

696 posts in 1495 days


#9 posted 10-22-2018 10:46 PM

Got the 120v switch today. It works just fine and all is right with the world ;>)
Thanks for the advice.

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