Guest Galvanic Isolators

RitSim

RitSim

.
Jan 29, 2018
410
Beneteau 411 Branford
Adding two galvanic isolators to my AC system. The diagram shows the Guest Isolator in series with the AC ground and also connected to 12 Volt DC. Do I have to be concerned about battery loss if the Isolator is always connected to the DC? Does the DC connection always need to be energized to the Isolator?
 
Maine Sail

Maine Sail

.
Feb 6, 1998
11,667
Canadian Sailcraft 36T Casco Bay, ME
Model # of the GI would help.. Some are no-longer safety complaint...
 
Maine Sail

Maine Sail

.
Feb 6, 1998
11,667
Canadian Sailcraft 36T Casco Bay, ME
That galvanic isolator should not be used. They "test" the ground wire and this will cause nuisance tripping on ground fault equippend docks (NEC / NFPA code) where you could take out every boat on the pier. The current ABYC standards call for a "Fail Safe" galvanic isolator.s. SBO is currently out of stock but we have a few.. 30A Fail Safe Galvanic Isolator
 
RitSim

RitSim

.
Jan 29, 2018
410
Beneteau 411 Branford
I have two (30 Amp) shore power connections that are bonded together at the AC panel. Can I use one fail safe 70 amp galvanic isolator?
 
jssailem

jssailem

.
Oct 22, 2014
21,084
CAL 35 Cruiser #21 moored EVERETT WA
RitSim said:
I have two (30 Amp) shore power connections
Click to expand
Consider the ProSafe FS60 Isolator
  • Use the ProSafe FS60 for (1) 50 Amp or (2) 30 Amp Shore Cord Applications

60 A ProSafe Isolatr FAIL SAFE

FailSafe Technology with Peace of Mind Dependability. The ProSafe FS Series of FailSafe 30 and 60 Amp Galvanic Isolators will interrupt galvanic current flow with other boats at a marina when installed on a boat which is connected to AC Shore Power. This technology maintains AC safety ground and...
www.promariner.com
 
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