Blue Sea Systems
Blue Sea m-Series Mini Battery Switch, Off/1/2/Both
$41.52
Ground shipping is $9.95 per order, added at checkout. Ships to the lower 48 states.
Compact four-position battery switch for small boats: off, 1, 2 or both.
- $9.95 ground shipping, lower 48
- 30-day returns
- Secure checkout
- Specs from the maker
- Questions? 831-477-9600
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Guides that help
Description
- Off / 1 / 2 / Both selector for two batteries
- Make-before-break, so electronics stay on as you switch
- 300A continuous, IP66, small m-Series body
The classic two-battery switch, sized for small boats where panel space is tight. Run on battery 1, battery 2, both together, or off when you leave the boat. Because it makes before it breaks, your plotter won’t reboot when you turn the knob. Be careful with Both if one battery is lithium and the other is lead; our battery switch guide explains why. The boat wiring diagram shows where it goes.
Good fit if: You run two batteries on a small boat with tight panel space, and you don’t want the plotter rebooting when you switch.
Not the pick if: You want start and house kept apart on their own. The Blue Sea 6011 does that.
Specs from the maker
| Positions | 4 (off, 1, 2, both) |
|---|---|
| Max voltage | 32V DC |
| Continuous | 300A |
| Intermittent | 500A (5 min) |
| Starting | 900A (30 sec) |
| Studs | 3/8 in.-16, tinned copper; 120 in-lb torque |
| Cable to meet ratings | 4/0 AWG |
| Mounting | #10 screws |
| Ingress | IP66 |
| Weight | 0.77 lb |
| Listings | UL 1107, UL 1500 |
| Color | Black |
Maker’s page: bluesea.com
Additional information
| Weight | 0.78 lbs |
|---|---|
| Dimensions | 7.00 × 4.00 × 3.38 in |
| Brand | Blue Sea Systems |
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