Blue Sea Systems
Blue Sea Battery Switch, Dual Circuit Plus
$42.83
Ground shipping is $9.95 per order, added at checkout. Ships to the lower 48 states.
Keeps the start and house batteries apart, with an emergency combine position.
- $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
- Runs a start battery and a house battery on two separate circuits
- Combine position for an emergency start off the house bank
- 300A continuous, IP66, tinned copper 3/8 in. studs
Dual Circuit Plus is for a boat with a start battery and a separate battery for electronics. In normal use each battery feeds its own side, so a dead fish finder battery never strands you. If the start battery is flat, turn to combine and start off the house bank. Keep the trolling motor on its own on/off switch, not on this one. Mixing lithium and lead? Read our battery switch guide before you use combine, and see the boat wiring diagram for where it sits.
Good fit if: You have a start battery and a separate house battery, and want them kept apart with a combine position for a dead-start day.
Not the pick if: It’s for the trolling motor bank. Give that bank its own on/off switch, like the BEP 701.
Specs from the maker
| Positions | 3 (off, on, combine) |
|---|---|
| Max voltage | 32V DC |
| Continuous | 300A |
| Intermittent | 450A (5 min) |
| Starting | 675A per circuit (30 sec) |
| Studs | 3/8 in.-16, tinned copper; 120 in-lb torque |
| Cable to meet ratings | 4/0 AWG |
| Make-before-break | Yes |
| Ingress | IP66 |
| Weight | 0.80 lb |
| Color | Red |
Maker’s page: bluesea.com
Additional information
| Weight | 0.87 lbs |
|---|---|
| Dimensions | 7.00 × 4.00 × 3.38 in |
| Brand | Blue Sea Systems |
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