IEC inlet wiring
- IslandPink
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#1 IEC inlet wiring
I just spent about 2 hours trying to find a wiring diagram for a Bulgin IEC inlet socket.
It seems amazing Bulgin can't provide simple advice on what to do with the switch tags, nor seemingly can anyone else...
I had only used the Double-pole ones before on amps, this one I bought for the tweeter amp is a single pole one.
https://uk.rs-online.com/web/p/iec-conn ... %3Atrue%7D
There are three tags ( marked 1, 2, 3 ) on the switch. 1 and 2 appear to connect or disconnect with the switching - so I assume the post-fused live goes to one of those, and comes out of the other.
The third one - do I connect neutral to that one, or earth, or nothing ?
Exasperated of Denbigh.
It seems amazing Bulgin can't provide simple advice on what to do with the switch tags, nor seemingly can anyone else...
I had only used the Double-pole ones before on amps, this one I bought for the tweeter amp is a single pole one.
https://uk.rs-online.com/web/p/iec-conn ... %3Atrue%7D
There are three tags ( marked 1, 2, 3 ) on the switch. 1 and 2 appear to connect or disconnect with the switching - so I assume the post-fused live goes to one of those, and comes out of the other.
The third one - do I connect neutral to that one, or earth, or nothing ?
Exasperated of Denbigh.
"Once you find out ... the Circumstances ; then you can go out"
- IslandPink
- Amstrad Tower of Power
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- Joined: Tue May 29, 2007 7:01 pm
- Location: Denbigh, N.Wales
#2 Re: IEC inlet wiring
OK, the link below is the best I can find. The diagram ( answer ) near the bottom of the page suggests the switch pin that doesn't connect to the other two should be attached to neutral.
https://electronics.stackexchange.com/q ... ted-switch
https://electronics.stackexchange.com/q ... ted-switch
"Once you find out ... the Circumstances ; then you can go out"
#3 Re: IEC inlet wiring
if you looked on the RS page you linked...next to datasheet is 'Power Entry Modules Product Datasheet'.......
this shows the switch configs for illuminated and non illuminated switches
this shows the switch configs for illuminated and non illuminated switches
There's nowhere you can be that isn't where you're meant to be
- IslandPink
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#4 Re: IEC inlet wiring
Yes, thanks, I went through that document and saw those diagrams, but I couldn't understand enough about what they were supposed to be telling me. After I digested the wiring pic in link above, I started to understand the datasheet see-saw diagrams. I suppose the little rectangle is a voltage source is it ? - does that mean Live goes to pin 2 ?
I really think they could spell it out a bit clearer, given the safety implications of wiring up a mains switch.
I really think they could spell it out a bit clearer, given the safety implications of wiring up a mains switch.
"Once you find out ... the Circumstances ; then you can go out"
- Mike H
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#5 Re: IEC inlet wiring
That little rectangle is a resistor? Next to the round neon lamp symbol?
So yeah, live to pin 2, then neutral on pin 3 so the lamp lights, and then output from pin 1, to wherever. Simples!
So yeah, live to pin 2, then neutral on pin 3 so the lamp lights, and then output from pin 1, to wherever. Simples!
"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."
- IslandPink
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#6 Re: IEC inlet wiring
Maybe there is a resistor too - but I'll go with live to pin 2 and pin 1 to the amp.
"Once you find out ... the Circumstances ; then you can go out"
#7 Re: IEC inlet wiring
To answer your question, if you want the neon to work, then neutral to 3.The third one - do I connect neutral to that one, or earth, or nothing ?
Post fused to 1, 2 out to amp.
But I don't think it matters is 1 and 2 are swapped.
Whenever an honest man discovers that he's mistaken, he will either cease to be mistaken or he will cease to be honest.
- IslandPink
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- Joined: Tue May 29, 2007 7:01 pm
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#8 Re: IEC inlet wiring
I got the bit about 3 to neutral. Is there a reason for the 1/2 arrangement you favour vs. what I was going to do ? - I was just going to got in the kitchen to do it !
"Once you find out ... the Circumstances ; then you can go out"
#9 Re: IEC inlet wiring
Well, the diagram suggests that the neon between 2 and 3 is also switched in which case it will make no actual difference. I guess it was based on the idea that when off live was connected internally to less things when connected to 1.IslandPink wrote: ↑Sun Feb 10, 2019 6:39 pm I got the bit about 3 to neutral. Is there a reason for the 1/2 arrangement you favour vs. what I was going to do ? - I was just going to got in the kitchen to do it !
Whenever an honest man discovers that he's mistaken, he will either cease to be mistaken or he will cease to be honest.
- IslandPink
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#10 Re: IEC inlet wiring
Yes, I see that might be slightly better, I have done it this way. Thanks.
"Once you find out ... the Circumstances ; then you can go out"
- Mike H
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#11 Re: IEC inlet wiring
Ah that makes more sense.
"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."