Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default momentary pushbutton switch

I am looking for a push button switch that turns on when it is pressed down,
stays on while it stays depressed and turns off when it is released.

I am running into "momentary pushbutton" switches such as this candidate:

http://www.allelectronics.com/make-a...-switch/1.html

Do switches like this meet my qualifications?

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Default momentary pushbutton switch

What you are looking for is a push-on/push-off switch NOT a momentary switch. A momentary switch will only be "ON" while depressed.

Dan
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Default momentary pushbutton switch

On Thursday, January 29, 2015 at 9:42:55 AM UTC-7, humbled valiant wrote:
I am looking for a push button switch that turns on when it is pressed down,
stays on while it stays depressed and turns off when it is released.

I am running into "momentary pushbutton" switches such as this candidate:

http://www.allelectronics.com/make-a...-switch/1.html

Do switches like this meet my qualifications?


Yes. Those are called "arcade switches" and as long as you use the C and N.O. terminals it will stay closed as long as held down.

Yours truly,
Mr. Klay Anderson, D.A.,Q.B.E.
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Default momentary pushbutton switch

humbled valiant wrote:

I am looking for a push button switch that turns on when it is pressed down,
stays on while it stays depressed and turns off when it is released.

I am running into "momentary pushbutton" switches such as this candidate:

http://www.allelectronics.com/make-a...-switch/1.html

Do switches like this meet my qualifications?


** Absolutely.

The linked example is "microswitch" with changeover contacts and a rather chunky actuator button.

Should be able to handle a fair amount of current and voltage too - long as it is switching AC.


..... Phil





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Default momentary pushbutton switch

switch specifications usuallyy have the following notoations

ON-(ON)-none
and shorting or make before break
thus an (ON)-none-ON switch would have 2 positions. One momentary and the other ON.

The notation of poles and throws are also used, thus SPDT is a single pole double throw (two positions).

Shorting switches were used in audio where both adjacent connections are made simultaneously for a brief instant to avoid pops. This is usually used for rotary switches.

Watch switch ratings: The AC and DC ratings can be very different.
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Default momentary pushbutton switch

What the OP wants is a simple pushbutton switch, like a doorbell switch.
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