Frequently bought together
FREE U.S. shipping on every item
Overview
Manage your boat's battery connection with the Blue Sea Systems 11003 HD-Series three-position switch with alternator field disconnect. For marine electrical installations, it offers a 500A continuous rating and ignition protection suitable for gasoline-powered boats.
Key features
- Textured knob positions let you identify the setting by touch.
- Surface and rear-panel mounting options give you flexibility in placement.
- Tin-plated copper studs provide conductive, corrosion-resistant cable connections.
- Studs with 7/8-inch length accommodate multiple cable terminals.
- Ignition protection permits installation aboard gasoline-powered boats.
- Meets ABYC battery-switch requirements for marine installations.
Specifications
- Brand: Blue Sea Systems
- Model: 11003
- Series: HD-Series
- Positions: 3
- Function: Alternator field disconnect
- Continuous current rating: 500A
- 5-minute current rating: 700A
- 60-second current rating: 1150A
- 10-second current rating: 2750A
- Maximum voltage: 32V DC
- Cable capacity: Two 4/0 AWG battery cables
- Studs: M12 tin-plated copper
- Stud length: 7/8 inch / 22.22mm
- Ring terminal compatibility: 1/2 inch and M12
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 .
Specifications
| AFD | Yes |
|---|---|
| Positions | 3 |
| Brand | Blue Sea Systems |
| Manufacturer part # | 11003 |
| UPC | 632085110031 |
| Boxed dimensions | 9 x 7 x 3 in |
| Shipping weight | 1.3 lb |
| Country of origin | UNITED STATES |
Manuals & documents
Shipping & returns
Free standard shipping
Standard shipping is free on every U.S. order — no minimum. Need it faster? Faster delivery options are available at checkout for qualifying orders. In-stock orders ship quickly with tracking; oversized and freight items may ship separately and can take a little longer. International rates are calculated at checkout.
30-day returns
Request a return within 30 days of delivery. Authorized returns are subject to a 15% restocking fee. Return shipping is paid by the buyer; items must be new and in original packaging. See our refund policy.
Genuine products
We source from authorized U.S. distributors. Every product is new, genuine and covered by the manufacturer warranty.
Similar items you may like
Popular in Battery Management
Top deals right now
Genuine products
Genuine products, full warranty.
Fast, tracked shipping
On in-stock marine gear.
Expert support
Talk to people who know the gear.
Secure checkout
Protected payments via Shopify.
