Description
Blue Sea 3000 600A Battery Selector Switch On-Off with Alternator Field Disconnect
Model: 3001-BSS
- Tin-plated copper studs for maximum conductivity and corrosion resistance
- Accepts up to 4/0 AWG battery cables
- Studs accepts 1/2″ (M12) ring terminals
- 7/8″ (22mm) stud length accepts multiple cable terminals
- Blue Sea Systems one-piece terminal stud design never loosens over time
- Fits most Perko and Guest low amperage battery switch hole patterns
- Case design allows surface, rear, or front panel mounting options
- Tactile indicator conveys knob position by feel
- Waterproof — rated IP66 from water projected in powerful jets
- Ignition protected—safe for installation aboard gasoline powered boats
- Includes AFD (Alternator Field Disconnect)
Specifications
| Switch Type | Single Circuit ON-OFF |
| Color | Grey |
| Switch Positions | 2 |
| Battery Combine | No |
| Alternator Field Disconnect | Yes |
| Maximum Voltage | 32V DC |
| Terminal Stud Torque | 220 in-lb (24.86 Nm) |
| Continuous Rating | 600A |
| Intermittent Rating | 900A (5 min) |
| Cranking Rating 30 sec | 1750A |
| Battery Inputs | 1 |
| Cable Clearance For 4/0 AWG Cables | 1.10in (27.94 mm) |
| Cable Quantity to Meet Ratings | Two Cables |
| Cable Size to Meet Ratings | 4/0 AWG (120mm) |
| Mounting Holes | Accept 1/4″ (M6) Screw |
| Terminal Stud Size | 1/2″ (M12) |
![BoatLIFE LifeSeal Sealant Tube 2.8 FL. Oz – Clear [1160]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/boatlife-lifeseal-sealant-tube-2-8-fl-oz-clear-1160.webp)
![BoatLIFE Life-Calk Sealant Tube – Non-Shrinking – 2.8 FL. Oz – Mahogany [1032]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/boatlife-life-calk-sealant-tube-non-shrinking-2-8-fl-oz-mahogany-1032.webp)
![BoatLIFE LifeSeal Sealant Cartridge – Cameo [1173]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/boatlife-lifeseal-sealant-cartridge-cameo-1173.webp)