








🔋 Lock in power, unlock peace of mind.
The Blue Sea Systems 6005200 m-Series Battery Isolator Switch is a compact, high-performance ON/OFF switch rated for 300 amps and 48 volts. Designed for marine and high-power DC applications, it features a removable locking key for enhanced safety, multiple mounting options for flexible installation, and durable tin-plated copper terminals that support multiple cables. Its ignition protection and IP66 waterproof rating make it ideal for engine room use, ensuring reliable and secure power management in tight spaces.


| Operation Mode | ON-OFF |
| Current Rating | 300 Amps |
| Operating Voltage | 48 Volts |
| Contact Type | Normally Closed |
| Connector Type | Clamp |
| Brand | Blue Sea Systems |
| Terminal | 2p6t |
| Item dimensions L x W x H | 7 x 4 x 3 inches |
| Circuit Type | 1-way |
| Actuator Type | Hinge Lever |
| Contact Material | Tinned Copper |
| International Protection Rating | IP66 |
| Number of Positions | 1 |
| Lower Temperature Rating | 1 Degrees Celsius |
| Upper Temperature Rating | 1 Degrees Celsius |
| Control Method | Touch |
| Connectivity Protocol | X-10 |
| Color | Black |
| Wattage | 14400 watts |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Global Trade Identification Number | 00632085600525 |
| Manufacturer | Blue Sea Systems |
| Vehicle Service Type | Boat (Gasoline) |
| Control Type | Manual |
| Compatible Devices | Marine electronics, lights, and other high-power DC devices |
| UPC | 632085600525 |
| Product Dimensions | 7 x 4 x 3 inches |
| Item Weight | 9.6 ounces |
| Department | unisex-adult |
| ASIN | B00EQ34K5S |
| Item model number | 6005200-BSS |
| Date First Available | August 23, 2013 |
M**O
My 3rd one, love these for battery systems.
I initially purchased these for a Portable LifePO4 system i was building. This one Is for My campers Lead Acid batteries so that the camper system does not drain them dead. New campers have these built in, newer than my 2019 wolf pup anyway.
B**N
No mounting screws
There are several companies selling thus type of switch at half the price, I would have expected stainless mounting screws. No screws came with either switch.
S**T
Fast shipping
I have not put it to use but overall looks like good quality.
J**H
Very nice I like !
Well made and easy to install
H**R
Got Battery Drain?
So if you have RV, Boat or other without a battery cutoff, then this is a great choice. Easy disconnect your battery and reduce the vampire voltage drain. Tehre are simply items you do not have switches for. This is a master to shut it all off. and there is a key so that no one can turn it on when not inserted.
L**M
Great little gadget
Very easy to install and work as intended. No more drained battery when picking up my trailer from storage.
R**.
Best choice
This was a high quality battery switch that allows for a variety of mounting options that protect the contacts from shorting. I used it for an external disconnect. I purchased an extra key that fits on a normal key ring in case a practical joker decides to disable my vehicle. I do wish it came with a couple of mounting screws so I didn't need to stop and head to the hardware store.
N**O
Meh
Feels high quality, but didnt come with the bolts to secure the box closed... Not sure if that was a mistake or intended. Kind of annoying because now i have to find bolts that will fit right.
G**Y
No screws included.
I think the switch quality is good but I was disappointed that it did not include the 4 screws. A second red key would have been nice also. Many similar ones have two keys.
W**Y
Perfect fit
Worked exactly as designed. Exact replacement.
D**D
100% recommend
If you want a disconnect key it works well. Solid and well built.
S**F
Knob no switch
Careful, this is only the knob NO SWITCH INCLUDED. The title misleads you. The item description clearly states it is only the knob... read carefully.
D**N
Awesome!
This is the best! Love this switch.
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