[PSUBS-MAILIST] MK-101 Connectors

[Alan James via Personal_Submersibles]

Hi Alec,
I was under that impression also, but when I read through G.L. it seemed
to apply to the battery terminals only. Not 100% sure but this would make more sense.
Alan


________________________________
 From: Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Sent: Wednesday, July 30, 2014 10:37 AM
Subject: Re: [PSUBS-MAILIST] MK-101 Connectors
 


Not only that, if I remember correctly the classification agencies require each polarity to go through a separate penetrator.



On Tue, Jul 29, 2014 at 6:15 PM, Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.org> wrote:


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>Jon, this link seems to be broken at psub site.
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>If you look at http://www.subconn.com/power-series-list-available-types, I don't see a part number associated with a 50A version of BHB2M.  There is a 50A 4 pin model HPB4M but this has a larger body and no option for 2 pin.
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> Lets assume Subconn has a Hi-Power version of BHB2M.  For the sake of argument, lets call it BHB2M*  .  If I understand what the Subconn rep said, the BHB2M* connector overall rating is 50A so if we connect to a MK-101 lower unit, and we run the motor at max load, then we would see 46 A in teach wire / pin.  For non commercial personal applications I can live with this as they have a big factor of safety but for those that are trying to get their boat classed, this is not going to work as classing agencies like ABS and Lloyds specify that parts like these have to operate within vendor specifications.  They would need a connector rating of 100A, i.e., 50A per pin if I am understanding this.
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>Cliff Redus
>Redus Engineering
>USA mobile:  830-931-1280
>cliffordredus at sbcglobal.com 
>
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>From: Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org>
>
>To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
>Sent: Tuesday, July 29, 2014 9:56 PM
>
>Subject: Re: [PSUBS-MAILIST] MK-101 Connectors
>
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>Spec sheet is at PSUBS.ORG -> Resources & Reference -> References -> 
>Publications -> Subconn Underwater Connectors
>or
>http://www.psubs.org/reference/publications/subconn/powerbattery.pdf
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>On 7/29/2014 9:43 AM, Clifford Redus via Personal_Submersibles wrote:
>> To me it would be better to have a high power BHB2F at the hull side and the BHB2M at the MK-101.  I don't think you want male power pins hull side.  If ever you had the cable detached from the hull side bulkhead connector and had power to the pins it would be easy to short across these exposed pins.  In other words you want it like a house receptical.
>>
>> Cliff
>>
>>
>
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