SKU: 85312603886

Blue Sea 300A Red Mini m-Series 3 Position (OFF/1/2) Battery Selector Switch

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Description

Blue Sea 300A Red Mini m-Series 3 Position (OFF/1/2) Battery Selector SwitchBlue Sea m Series 3 Position Battery Selector Switch The Blue Sea m Series 3 Position Battery Selector Switch is a compact, high current DC battery switch designed for selecting between two isolated battery inputs and an off position. With its red knob, clear Off, 1 and 2 operation, and 300A continuous current rating, it is well suited to marine, RV, 4WD canopy, service vehicle and compact auxiliary battery installations where a robust manual selector

Blue Sea m-Series 3 Position Battery Selector Switch

The Blue Sea m-Series 3 Position Battery Selector Switch is a compact, high-current DC battery switch designed for selecting between two isolated battery inputs and an off position. With its red knob, clear Off, 1 and 2 operation, and 300A continuous current rating, it is well suited to marine, RV, 4WD canopy, service vehicle and compact auxiliary battery installations where a robust manual selector is preferred.

This model is the Blue Sea 6008, a red selector switch from the m-Series manual battery switch range. It provides three switch positions, two battery inputs and no battery combine function, making it suitable where the requirement is to choose battery bank 1 or battery bank 2 to supply loads rather than paralleling both banks.

Built for High-Current DC Battery Switching

The 6008 is rated for a maximum voltage of 32V DC and has a 300A continuous rating, 500A intermittent rating for 5 minutes, and 900A starting rating for 30 seconds. That current capacity makes it a practical choice for many low-voltage DC systems using suitably sized cabling and correctly rated circuit protection.

Blue Sea specifies tin-plated copper terminal studs for conductivity and corrosion resistance. The 3/8 in - 16 studs suit M10 ring terminals, and the one-piece terminal stud design is intended to remain secure over time. Cable size to meet the stated ratings is 4/0 AWG, with terminal stud torque specified at 120 in-lb, or 13.56 Nm.

  • Three-position selector: Off, battery input 1 or battery input 2 operation for straightforward manual battery selection.
  • 300A continuous rating: Supports demanding DC battery switching applications when installed with cable sized to the rating.
  • 32V DC maximum: Suitable for common 12V and 24V DC battery systems within the manufacturer’s voltage limit.
  • Ignition protected: Manufacturer states it is safe for installation aboard gasoline powered boats.
  • Flexible mounting: Case design allows surface or rear panel mounting.

Compact m-Series Design

The m-Series format is designed to provide a compact switch footprint without stepping down to a light-duty battery isolator. Blue Sea states the case design allows surface or rear panel mounting, helping installers place the selector switch in battery compartments, electrical lockers, switch panels or other controlled mounting locations where access and cable routing are considered during system design.

The isolating rear cover design helps protect rear contacts and allows wire access from different directions. This is useful in tight installations where large battery cables need to be routed cleanly without excessive bend stress. Mounting holes accept #10 screws, and the manufacturer lists cable clearance for 4/0 AWG cables as 1.12 in, or 28.45 mm.

For Marine and Mobile Battery Management

This switch is intended for manual battery management rather than automatic charging or voltage sensing. It suits applications where the operator needs a simple, physical battery selector for DC loads. In marine installations, it can form part of a properly designed battery switching system using the latest applicable standards, appropriately rated cabling, terminals, fusing and installation practices.

Manufacturer instructions state that positive battery power should be disconnected before installation, appliances should be turned off before turning the battery switch to OFF, and the switch should not be turned to OFF while the engine is running. Correct installation is important for high-current DC systems, especially where alternators, starter motors, charge sources and battery banks are involved.

Choose the Blue Sea 6008 for a compact, clearly labelled red battery selector switch that provides dependable manual Off, 1 or 2 control for well-planned DC battery systems.

Shipping Notes
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Exchange/Return Notes
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SKU: 85312603886

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Jamie K.
Lake Worth, US
★★★★★ 5
Perfect for Adding Privacy to a Piano Studio
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
I Ordered the 2 Panel version which is way too big for my needs... that's on me. So keep in mind that the picture shows a fabric made for two panels only being used on one and hence it is not pulled tight; it would pull tight and not be so wrinkly if it was set up properly as two panels. The metal pools that make up the panels seem to be well made, stable, and of good quality. They were very easy to put together and they stand up tall with plenty of height. The appearance of it with the fabric on it isn't as elegant as it could be, but it still looks good enough. The material is plenty solid, not allowing light through it, and thereby making a solid barrier. I am using it to block the view out the studio door when a student is sitting at the piano to avoid distractions from the hallway. It will allow a student to enter the studio with our distracting the student who is at the piano.
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Reviewed in the United States on May 18, 2026
J
Just Me
Phoenix, US
★★★★★ 5
Room Divider That Gives Instant “This Is a Separate Space Now” Energy
Size: 3 Panel 12FT W
The Siebwin 3 Panel Folding Privacy Screen is surprisingly effective at changing the feel of a room without requiring construction, commitment, or somebody yelling about load bearing walls. The 12 foot width gives a substantial amount of coverage, making it useful for creating privacy, dividing open areas, blocking visual clutter, or setting up temporary sections within larger rooms. This saved us a ton of time and money in our new studio and enabled us to create a kitchen and office in one room. The wider feet make a huge difference because flimsy room dividers that collapse every time someone exhales too aggressively are deeply annoying. This one feels more stable and grounded once positioned. The folding design makes it easy to move around or adjust depending on the space, and it folds down relatively compactly when not in use. It is basically the introvert curtain wall of dreams. The material has a clean, neutral look that blends well into different room styles without screaming “temporary office cubicle panic.” It works well for apartments, studios, shared spaces, dressing areas, or simply hiding the mountain of chaos you swear you are going to organize tomorrow. Practical, portable, and refreshingly easy to use without turning setup into a three hour emotional event.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
S
Skeetre
Los Angeles, US
★★★★★ 4
It's 2 panels holding 1 big privacy screen. Can't use as 2 separate 4' panels, but works great.
Size: 2 Panel 8FT W
This 2 panel privacy screen works well. Assembly was very straight forward, with easily labeled tubes. My son and I had it together in about 10 minutes, which was probably 3 minutes of me telling him to quit playing around and hand me the parts. It feels very sturdy, not likely to fall over or anything. The material fits well, with the Velcro being very strong. Measurements are all very accurate, with all pieces attaching properly. We have a similar privacy screen at work that we have to try and stretch out because the top and bottom Velcro doesn't fit quite right... this model does not have any issues though. The material is thin and light weight, but solid black so that you can't see anything through or behind it. I definitely think it's a great deal for the money. What I think would have given it 5 stars though, is if you had 2 totally separate 4' panels instead of 2 panels with one big screen. It really wouldn't cost any extra to make it so that the screen was in 2 pieces and you could use it as 2 separate panels instead of having to use it as one big panel. It says 2 panel folding privacy screens, but it's really one big one that folds in the middle.
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Reviewed in the United States on May 25, 2026
D
Verified Purchase
Debbie Flynn
Phoenix, US
★★★★★ 5
Love it it was perfect for what I needed it for. Good quality!
Size: 4 Panel, Color: Black
It like a very dark chocolate brown/black. What I liked most about it is that you just pull it out of the box take the long plastic film off of it and it's ready to go. It has protective feet on the bottom. It's very attractive and it was so easy. It's so nice when you have a product you don't have to assemble.
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Reviewed in the United States on May 13, 2026
S
Verified Purchase
Suphisara B.
Draper, US
★★★★★ 5
Good quality. Nice design
Size: 4 Panel, Color: Chocolate Brown
Love it. Beautiful and good material. Just a little bit too high for my room.
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Reviewed in the United States on May 7, 2026

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