[PSUBS-MAILIST] MK-101 Connectors

Mon Jul 28 03:48:16 EDT 2014

We need some clarification  on this.  I am reading this as this connector will handle 25 amps per pin so with a FS 2 we are probably good.

I have had no time to look at this as in Perth on business.

Cliff

> On Jul 28, 2014, at 3:08 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Hi Cliff,
> as I understand it the connector amp rating is 25 amps for the 2 pin unit.
> That means 12.5 amps per pin, which is about 1/4 of what you want.
> Cheers Alan
> 
> From: Clifford Redus via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
> Sent: Monday, July 28, 2014 6:51 PM
> Subject: Re: [PSUBS-MAILIST] MK-101 Connectors
> 
> I think there is a big factor of safety.  You get the same issue when you look at agency's specs on how much current a 10awg wire can handle.  Having said that MK sells there lower units with 10 awg wire.  US coast guard would have 6 awg for this current.
> 
> This needs to be looked at but my guess is that this will handle it.
> 
> 
> Cliff
> 
> 
> 
>> On Jul 28, 2014, at 12:48 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> Cliff,
>> what about the max contact amp ratings on those connnectors?
>> I thought you said you needed something that could take 46 amps.
>> Alan
>> 
>> From: Clifford Redus via Personal_Submersibles <personal_submersibles at psubs.org>
>> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
>> Sent: Monday, July 28, 2014 4:20 PM
>> Subject: Re: [PSUBS-MAILIST] MK-101 Connectors
>> 
>> Jon, a BHB2M to me looks about right.  10AWG pins to match the 10AWG for the MK-101.
>> 
>> 
>> The port on the MK-101 is 1-1/8 x 18    So it would be easy to machine an adaptor to accept this 5/8-18 male BH fitting.
>> 
>> Can you get a price on these with the Psub discount?
>> 
>> There probably enough space to drill a 1/16 hole in this machined part and connect a 1/4" Swagelok fitting perpendicular to the axis to connect an air compensation connection if you did not want to drill and tap into body of MK-101.
>> 
>> 
>> 
>> Cliff
>> 
>> 
>> Cliff Redus
>> 
>> 
>> 
>>> On Jul 28, 2014, at 11:06 AM, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>> 
>> 
>> 
>> Agreed, but we should take advantage of our SUBCONN discount if we can.  What about this one...
>> http://www.subconn.com/connectors/power-series/power-series-battery-2-contacts
>> 
>> Jon
>> 
>> 
>> 
>>> On 7/27/2014 6:00 PM, Clifford Redus via Personal_Submersibles wrote:
>> 
>> Since so many of us are using or planning on using MK-101s either air or oil compensated, it would be nice if we could move towards a standard connector.  These thrusters are 36v with max current of 46 amps.  The lower unit comes with two 10 AWG wires.
>> 
>> It would be nice if the connector was a male bulk head connector with two power pins and one alignment pin.  
>> 
>> Could go with an off the shelf connector like an impulse HDBH-2-MP but these are expensive as rated for depth.  In our case since we are pressure compensating this is overkill. 
>> 
>> For those of you that have MK-101 or MK-80 thrusters, what type of connectors are you using?
>> 
>> Like Vance, I am planning to have a spare that could be swapped out in the field.
>> 
>> Cliff
>> 
>> 
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