Looking for a switch

[Morgan3820]

I am thinking about adding a annunciator buzzer behind the , but I need a switch to turn it off and test it. I have looked for a mini off-on-(on) but to no avail. Can anyone help me find one?

 

[Rwsavory]

Mouser or Jameco Electronics have good search functions on their websites.

I haven't tried this company, but this might work: https://www.futurlec.com/Switches/SPDT101MOM1pr.shtml

 

[Morgan3820]

Thank you, that looks like a good place to start.

 

[weirdjim]

Thank you, that looks like a good place to start.

An off-on-(on) can only be done in rotary. If you want a toggle it is going to have to be on-off-(on).

Thanks,

Jim

 

[edessa]

Do you want a momentary ON for the test portion of it?

 

[weirdjim]

Do you want a momentary ON for the test portion of it?

Do you understand what (on) in a switch specification means?

Thanks,

Jim



.

 

[edessa]

Do you understand what (on) in a switch specification means?

Thanks,

Jim



.

Please explain.

 

[weirdjim]

Please explain.

ON means that contacts have made contact. OFF means that no contacts have made contact. (ON) means that contacts have made contact but that a spring return will return them to (OFF).

Jim

 

[Morgan3820]

Do you want a momentary ON for the test portion of it?

Yes,, that is my thought

 

[Morgan3820]

An off-on-(on) can only be done in rotary. If you want a toggle it is going to have to be on-off-(on).

Thanks,

Jim

I kinda figured that might be the case, don't ask me how because I am not electronical in any way...well hardly.

 

[weirdjim]

I kinda figured that might be the case, don't ask me how because I am not electronical in any way...well hardly.

Shhhhh ... me too, but don't say it out loud or the boss might hear you. And if the dean at the college hears it, I'm out of work there too.:wink2:

Jim