Blue Sea Systems
Blue Sea System 3926747 E-Series Battery Switch 3-Position with AFD
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- SKU:
- 18029798
- MPN:
- 3926747
- Availability:
- Usually ships the same or next business day. In stock at our CA, FL, PA, TX, WA warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/18/2025 06:09:12 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 $58.39 each 58.39 |
| Buy 3 - 4 | and pay only $54.17 each 54.17 |
| Buy 5 or above | and pay only $53.33 each 53.33 |
- Stock Update:
- 12/18/2025 06:09:12 PM PST
Description
This item is brand-new, factory sealed.
Blue Sea Systems e-Series Selector Battery Switch with AFD
Model: 9002E-BSS- 350 Amps continuous rating for inboard gasoline or diesel engines.
- Tin-plated copper studs for maximum conductivity and corrosion resistance
- Accepts up to 4/0 AWG battery cables
- Studs accepts 3/8" (M10) 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 or rear panel mounting
- 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 without power interruption
- Includes AFD (Alternator Field Disconnect)
Switches isolated battery banks to all loads or combines battery banks to all loads
Specifications| Switch Type | Selector 4 Position |
| Color | Red |
| Switch Positions | 4 |
| Battery Combine | Yes |
| Alternator Field Disconnect | Yes |
| Maximum Voltage | 32V DC |
| Terminal Stud Torque | 140 in-lb (15.82 Nm) |
| Continuous Rating | 350A |
| Intermittent Rating | 600A (5 min) |
| Cranking Rating 30 sec | 1200A per circuit |
| Battery Inputs | 2 |
| Cable Clearance For 4/0 AWG Cables | 1.10in (27.94 mm) |
| Cable Size to Meet Ratings | 4/0 AWG (120mm ) |
| Mounting Holes | Accept 1/4" (M6) Screw |
| Stud Material | Tinned Copper |
| Terminal Stud Size | 3/8" - 16 (M10) |
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 3926747 E-Series Battery Switch 3-Position with AFD
$62.25