The Blue Sea Systems 3000 HD-Series Battery Switch provides reliable, high-amperage switching for single-circuit battery systems. Designed for demanding marine environments, this switch features tin-plated copper studs and an ignition-protected design suitable for installation aboard gasoline-powered boats.
- Continuous Amperage Rating: 600A
- Stud Size: 1/2" (M12) tin-plated copper for maximum conductivity and corrosion resistance
- Stud Length: 0.870" (22.01mm) to accommodate multiple cable terminals
- Cable Compatibility: Accepts two 4/0 battery cables per terminal
- Mounting: Case design supports surface or rear panel mounting; compatible with Perko and Guest hole patterns
- Safety Features: Ignition protected and meets ABYC requirements for battery switches
- User Interface: Tactile textures on the knob allow for position identification by feel
- Regulatory Note: This product includes a Proposition 65 warning regarding exposure to chemicals including di(2-ethylhexyl)phthalate (DEHP), known to the State of California to cause cancer and reproductive harm.
Product facts
- CT SKU
- CT-100335
- Model / MPN
- 3000
- UPC / GTIN
- 632085030001
- Package dimensions
- 3" X 7" X 9"
- Package weight
- 1.3 lb
- Specifications
- Positions = 2\nAFD = No\nContinuous Amperage = 900a
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.
Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
