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Old 06-02-2014, 13:51   #16
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Join Date: Aug 2011
Location: Oakland
Boat: Cross 40
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Re: 50 amp cord and types of service

The connector looks like what you need.

For the breaker, yes to style and rating, however, ABYC recommends an interrupting rating of 3000A for a 125V circuit. The Blue Sea you referenced has an interrupting rating of 1500A at 125V. Since you're breaking both the neutral and the hot leg that may be sufficient, I simply can't remember what the code says about that (hope someone else can weigh in on that).

ABYC recommends that the circuit breaker be installed within 10' (wire length) of the inlet connector on the boat. If the daily use breaker is greater than 10' from the inlet they recommend installing a second breaker or fuse within 10'.

[Edit] if you care about meeting ABYC then you might look at Blue Seas "A" series instead of the "C" series, they specifically say they meet ABYC. Looks like you can't get the toggle in a two pole, but some of the other styles do come in two pole. [/Edit]

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Old 06-02-2014, 18:30   #17
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Re: 50 amp cord and types of service

This is the main breaker you need.
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Old 06-02-2014, 19:51   #18
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Re: 50 amp cord and types of service

I'm guessing you already have a 30a breaker... it's either an a or c series. just get the same one in 50a. they are different and won't fit in each other's holes.

you'll also need to upgrade the boat wiring from the boats plug to panel unless it's already oversized. put it's probably only 10awg. and the feeds on the panel itself feeding the busses.
and also upgrade the galvanic isolator if you have one. it's probably only rated for 30a. if you dont' have one. get one.

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