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On-Off Battery Isolator Switch, 275amp, max 1250amp (Pair) FO-3619-M2

Five Oceans

Product image 1On-Off Battery Isolator Switch, 275amp, max 1250amp (Pair) FO-3619-M2
Product image 2On-Off Battery Isolator Switch, 275amp, max 1250amp (Pair) FO-3619-M2
Product image 3On-Off Battery Isolator Switch, 275amp, max 1250amp (Pair) FO-3619-M2
Product image 4On-Off Battery Isolator Switch, 275amp, max 1250amp (Pair) FO-3619-M2
Product image 5On-Off Battery Isolator Switch, 275amp, max 1250amp (Pair) FO-3619-M2

Regular price $20.92

PRODUCT # 3619-M2

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24/7 Customer Support
Same Day Dispatch (Order by 2pm)
Product Video:

This flush mount with waterproof casing Five Oceans' Battery Switch is great for using on boats, caravan, 4x4, winch power cable, etc, and it's really easy to install. It can be used with 8V up to 48V systems to isolate and secure the electrical system.

Manufactured with a durable, non-corrosive, ABS plastic housing to resist the harsh marine conditions.
The key can be removed while in the OFF position


Positions: On/Off
Flush Mount
Disconnects the battery safely, to eliminate any power draw from the battery when a vehicle or boat is not in use.
Isolates 1 battery pack.
UV stabilized bakelite vapor-proof housing - Built to last in marine conditions
4 mounting screw holes (mounting screws not included)
Vapor Tight & ignition protected
Rated at 1250 Amps Intermittent, 275 Amps continuous at 12V

The switch can be safely rotated to select either ON or OFF. Important: Engine must be stopped before selecting OFF; this is to protect the alternator.



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1. One (1) Year Warranty

We take enjoyment in the products we make and guarantee the buyer (“you”) that all Five Oceans products are ready to handle the extreme conditions of the open sea or terrain. However, we also know things can happen that's why we've got you covered for a year.

Click Here to download the warranty document

2. Same Day Shipping 

With us there is no need to wait, you'll get your product shipped out the same day as long as you place it before 2 pm. Everything placed after 2 pm will be shipped the next business day.

3. Safe with us

We always maintains a large stock of products, giving you the advantage of always finding what you need to live out your passion. If by any chance it's out of stock, make sure to click the "Notify Me" button so you can be the first to get it.


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You are able to return an item as long as it falls under the 30-day return policy. Further details can be found under the shipping & returns section. Important to note international sales are excluded and items marked Final Sale. Restocking fees may apply, check out return policy for more details. 


We are truly sorry but no exchanges allowed, you must return the item for a refund in order to purchase a different item. Return fees may apply.

When will my order ship?

All orders are shipped on the same day if placed before 2 pm (excluding weekends, holidays, or if we're sailing "smiles" ). You can also find more details on our shipping & returns section. 

Do you ship internationally (outside USA)?

At the moment we are not processing international orders. Please contact us and we will let you know how and where to order if you want to ship to an international location. 

How do I contact someone?

We can be reached through or simply . Please allow up to 24 - 48 hours for a customer service representative to respond. Customer service hours are Monday - Friday: 9 am - 5 pm EST

Store Pickup?

You sure can pick up in our store. Will be waiting! 

We are located in South Florida. 


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