[PSUBS-MAILIST] MK-101 Connectors

[Alan James via Personal_Submersibles]

Hi Jon,
I have copied my question to the rep below.
I thought it was clear but it could have got lost in translation.
To SubConn's credit they do have an amp rating which a lot of other
manufacturers don't seem to be showing.
Alan
Hello,
I am looking at your subconn 2 pin underwater connector,
"Power Series, Battery 2 contacts".
In the connector specifications it states that a single pin connector is rated 600v @ 25 Amp.
& the 2 pin connector is also rated 600v @ 25 Amp. With regard to the 2 pin connector does
this mean that if I am running a motor through this connector that I can only have 12.5 Amps 
per pin? Thanks.
Alan James


________________________________
 From: Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Sent: Wednesday, July 30, 2014 5:58 AM
Subject: Re: [PSUBS-MAILIST] MK-101 Connectors
 



Alan, I think the confusion stems from the fact that SubConn uses
      one datasheet for multiple pin configurations.  The per-pin-rating
      is 25 amps, but the overall connector rating is 50 amps regardless
      of the number of pins in the configuration.  So a three pin
      configuration should only carry 16.6 amps per pin, and a four pin
      configuration should only carry 12.5 amps per pin, to stay within
      the total connector rating of 50 amps.  Perhaps this is obvious to
      an electrical engineer but seems rather confusing to me.  It would
      be nice to see a separate data sheet for each pin configuration.

So perhaps the "how many amps per pin" question was a bit specific
      for an engineer who was probably considering the physical and
      electrical capabilities of a single pin and not taking into
      account the actual application.  Anyway, I will be talking to
      SubConn this afternoon to get it straightened out once and for
      all.

Jon




On 7/29/2014 11:29 AM, Alan via Personal_Submersibles wrote:

Just got a re - confirmation email that has been copied below.
Now I am really confused.
Jon is confirming what I remembered a rep told me a few years ago;
that the rating is per connector not per pin.
Now I am getting a different answer.......
Hi Alan,
 
I called the factory and talked to Rance Dexter which is one the main Engineers, he confirmed that you can run 25 Amps per pin.
 
Please contact me if you have any more questions.
 
Regards,
 
 
Jacobo Aguilar
SubConn Sales



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