Blue Sea Systems
Blue Sea System 3923686 HD-Series Battery Switch Selector w/AFD
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- SKU:
- 18007356
- MPN:
- 3923686
- Availability:
- Usually ships the same or next business day. In stock at our NJ warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/08/2025 06:25:48 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $89.80 each 89.8 |
| Buy 3 or above | and pay only $88.14 each 88.14 |
- Stock Update:
- 12/08/2025 06:25:48 PM PST
Description
This item is brand-new, factory sealed.
Blue Sea 3000 500A Battery Selector 4 Position Switch with Alternator Field Disconnect
Model: 3003-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
- Make-before-break contact design allows switching between battery banks without power interruption
- Includes AFD (Alternator Field Disconnect)
| Switch Type | Selector 4 Position |
| Color | Grey |
| Switch Positions | 4 |
| Battery Combine | Yes |
| Alternator Field Disconnect | Yes |
| Maximum Voltage | 32V DC |
| Terminal Stud Torque | 220 in-lb (24.86 Nm) |
| Continuous Rating | 500A |
| Intermittent Rating | 700A (5 min) |
| Cranking Rating 30 sec | 1600A |
| Battery Inputs | 2 |
| Cable Clearance For 4/0 AWG Cables | 1.10in (27.94 mm) |
| Cable Quantity to Meet Ratings | Two Cables / Terminal |
| Cable Size to Meet Ratings | 4/0 AWG (120mm ) |
| Mounting Holes | Accept 1/4" (M6) Screw |
| Terminal Stud Size | 1/2" (M12) |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Blue Sea System 3923686 HD-Series Battery Switch Selector w/AFD
$93.95