Last time I checked, the Recreational Craft Directive and EMC Directive do not 
help much re this question.  There is the EN 60945 standard which includes 
sections on EMC for marine navigation and radio systems, and I've seen some 
non-navigation equipment approved to that standard, but it sounds like your 
equipment is out of scope of that standard.  That means you're left with the 
"normal" non-marine EMC regime.

Jim Eichner, P.Eng.
Compliance Engineering Manager
Xantrex Technology Inc.
e-mail: [email protected]
web: www.xantrex.com  

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From: [email protected] [mailto:[email protected]] On Behalf Of Doug Kramer
Sent: Thursday, January 08, 2009 8:19 AM
To: [email protected]
Subject: RE: Sanity check on AC motors for boat use

Good point, however these will be on recreational craft in most cases.  I'm 
told US, Canada, Australia and then EU are the markets.
-Doug


From: [email protected] [mailto:[email protected]] On Behalf Of 
[email protected]
Sent: Thursday, January 08, 2009 10:16 AM
To: Doug Kramer
Cc: [email protected]
Subject: Re: Sanity check on AC motors for boat use

Depends upon what is meant by a "Boat"

A Recreational Vessel or a Commercial Vessel?

I would think the later needs to conform to requirements of the International 
Association of
Class Societies E10 standard. Or more particularly perhaps to the standards of 
the actual Class
Society (Lloyds Register, American Bureau of Shipping, etc.) who is approving 
the design and
construction of the vessel.

YMMV

John Merrill
Square D Automation






                                                                                
                                                        
                      "Doug Kramer"                                             
                                                        
                      <dkramer@nceelabs        To:       <[email protected]>    
                                                        
                      .com>                    cc:                              
                                                        
                      Sent by:                 Subject:  Sanity check on AC 
motors for boat use                                         
                      [email protected]                                         
                                                        
                                                                                
                                                        
                                                                                
                                                        
                      01/08/2009 10:48                                          
                                                        
                      AM                                                        
                                                        
                                                                                
                                                        




In reviewing standards as applicable to DC powered (battery) motors for use on 
boats, as I’m
seeing it that applicable EMC directive standards to apply would be EN55012 and 
EN55014-2.
EN55014-1 excludes devices used exclusively in vehicles.  Another route to go 
would be in
looking at EN61000-6 series for immunity.  I think the emissions requirement is 
very straight
forward.  A long I/O or control line in addition to the DC power cables causes 
a pause for
thought, but is easily tested and addressed in EN55014-2.

Thoughts?

Thanks,

Doug Kramer
Lab Manager
NCEE Labs
Product Compliance Solutions
Phone: 402.472.5880
Toll Free: 1.888.567.6860
Fax: 402.472.5881
Email: [email protected]
www.nceelabs.com

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