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The Varistor use today every where today beyond the mini lathes and DRO'S.? They are not plug in like fuse. It is found on the other side of fuse or breaker. You have disconnecte to test the

I first found part on a Bridgeport mill DRO. The DRO die and found this part. The DRO was new in 1980 A pain to replace. Today I would just cut part onto and use power strip. It still in my mini

AC is an important subject, and I thank for all input. Please keep on teaching us: Most of us know that the Earth cable (GND) is important. However, many (include me) dont have it in the workshop.

1. MOV failures are *usually *short circuit, but it depends on how much energy was diverted. If a lightning strike occurs, it is possible for there to be multiple short duration pulses with

1- MOV failure mode is short circuit, not open circuit. Never put such a device on the fridge or a freezer line ! 2- Use exclusively MOVs on AC lines 3- Clamping voltage is not a

we had them across the line outputs I believe on all of our computer filters . Power cord , breaker, filter MOV or maybe it was on the filter inputs . that was 30 something years back . animal

FYI If ever had time where breaker flips or fuse blows when turn the power on electronics. You may want to check the Varistor is working and not blown. Dave

*Metal-Oxide Varistor or (MOV).* This typical found on board of motor controller of your mini lathe or other electronics like DRO'S Even TVS DaveOn Fri, May 17, 2024 at 07:32 PM, mike allen wrote:

??? ??? MOV ? ??? animal

that bag of 100 probably came over a ocean to get to ya . Shit that I need to be able to count on I prefer that it ca,e from the island of USA . I don't think that ya can honestly test a system which

Reminds me of a great Casey Stengel-ism “No one goes there any more, it’s too crowded” I was actually just reading an Washington Post article about how the California grid operators have the

I do buy them often and I only new two wire. Dave

Pocket-change in California. Broker commision is $50K and taxes are $30K per year. Ther are no new homes for under $1M, and very hard to find for under $1.5M. But still they sell very fast

Yes, like I wrote earlier, that is a MOV - Metal Oxide Varistor and they have either two or three leads. The ones with three leads can be used to indicate when the MOV has blown. The ones with two

Found the name varistor. I was little I hope mini lathe has one or just power strip in is easier to replace. A varistor (a.k.a. voltage-dependent resistor (VDR)) is a surge protecting electronic

Not the electronic thyristor The one I am? talking about looks like a capacitor anx only has two wires. It spell almost same as a thyristor witch is a type SCR. Dave

I look it up just like a power strip. One time use like a fuse. You can see light to till you to replace. In electronics it was call a thyristor Maybe miss spell. RadioShack wack me $15.00 each back

Looks like plugs in every time to place it by a electrician. 20 years ago that cost $160.00 and hard wire. At less price is coming down. More pain It does not protect against welders only what come

That Square D unit is a MOV device and whether it is single use or so is dependant on the surge it handled. There is a lamp on the from which will indicate it must be replaced as the MOVs are shot. I

Sorry to here Arc welds do that . It wax $0.15 part and a fuse in TV and hours fun replacing the part. Dave