Blue Sea Systems
Blue Sea 3003 HD-Series Battery Switch Selector w/Alternator Field Disconnect
Blue Sea 3003 HD-Series Battery Switch Selector w/Alternator Field Disconnect
SKU:20234
Low stock: 9 left
Couldn't load pickup availability
3003 HD-Series Battery Switch Selector with Alternator Field Disconnect
Features:
- 500 Ampere Continuous Rating
- Accepts 4/0 battery cables
- Ignition protected - safe for installation aboard gasoline powered boats
- .870" (22.01mm) stud length to accept 4 or more cable terminals
- 1/2" (M12) Tin-plated copper studs for maximum conductivity and corrosion resistance
- Meets American Boat and Yacht Council (ABYC) requirements for battery switches
- Tactile textures indicate knob position by feel only
- Case design allows surface or rear panel mounting
- Fits all Perko and Guest low amperage battery switch hole patterns
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
Specifications
Manufacturer part number, dimensions and technical specs are listed in the product description above. Contact us if you need a spec sheet for this item.
Shipping & Returns
Shipping & Returns
Fast, tracked shipping on in-stock items. Oversized and freight items may ship separately. See our return policy for details on eligible returns.
Warranty & Authorized Dealer
Warranty & Authorized Dealer
OutdoorsMarine is an authorized dealer. Every product is genuine and backed by the full manufacturer warranty.
Share

Authorized dealer
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.