[time-nuts] Power connectors continued

[Christopher Hoover]

>
>  They will definitely not work loose.


ODU or Glennair (I forget which) has a ratcheting lock ring on some of
their connectors.  It has asymmetric ramps on the ratchet cam that tighten
the lock ring under vibration.

-ch
73 de AI6KG


On Fri, Jun 23, 2017 at 9:01 PM, Charles Steinmetz <csteinmetz at yandex.com>
wrote:

> Someone previously mentioned "aviation" style connectors (which many will
> recognize as mobile microphone connectors) (see graphic below).  I switched
> to these for power and other connections long ago, and have been extremely
> happy with them.
>
> One nice thing about them (IMO) is that all chassis connectors are male,
> and all cable connectors are female (unless you use a male in-line
> connector to make an extension cable).  This means that a dangling cable
> will never have rudely exposed contacts, and if you are really worried you
> can use vinyl caps to make sure.  Similarly, the pins on the male chassis
> connectors are well recessed so it isn't easy to short them, but if you
> want to be sure you can get screw-on caps (see below).
>
> The contacts have substantial tension when mating/mated, plus secure
> threaded locking rings.  They will definitely not work loose.  They will
> handle at least 5A per pin, and I've seen published ratings of 10A. They
> have good strain reliefs, too.
>
> They are available in a wide range of pin counts, so it is easy to make
> sure cables are not cross-compatible.
>
> One really nice feature is the availability of right-angle in-line
> connectors, to minimize the space needed behind equipment (this can be
> problematic with some other connector series).  Use many connectors and you
> will find that this can be an extremely valuable feature.
>
> On ebay, they are known as "aviation connectors," and are available in
> three sizes (12mm, 16mm, and 20mm, according to the diameter of the bodies,
> which is also the hole size for the chassis-mount connectors). Search for
> GX12, GX16, and GX20.  I have standardized on the 16mm version, but have
> tried and can recommend them all.  Shop a little and you will find them at
> very attractive prices.
>
> I've bought lots of them, from US and foreign suppliers, and as far as I
> can tell they all come out of the same factory in China.  All good quality.
>
> Best regards,
>
> Charles
>
>
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