Blue Sea 3003 HD-Series Battery Switch Selector w/Alternator Field Disconnect [3003]

The Blue Sea 3003 HD-Series Battery Switch Selector with Alternator Field Disconnect is a top - notch choice. It has a 500 - Ampere continuous rating and can accept 4/0 battery cables. It's ignition - protected, making it safe for gasoline - powered boats. With a.870' (22.01mm) stud length, it can handle 4 or more cable terminals. The 1/2' (M12) tin - plated copper studs offer great conductivity and corrosion resistance. It meets ABYC requirements. The tactile textures on the knob let you know its position by touch. It can be surface or rear - panel mounted and fits common low - amperage battery switch hole patterns. However, be aware that it may expose you to chemicals like di(2 - ethylhexyl)phthalate (dehp), so check P65Warnings.ca.gov for more info. Specifications include 4 positions, an AFD, a 700a continuous amperage, box dimensions of 3'H x 7'W x 9'L and a weight of 1.3 lbs, with a UPC of 632085030032. An Owner's Manual (pdf) is available.

Using this battery switch selector is straightforward. First, make sure to connect the 4/0 battery cables to the 1/2' (M12) tin - plated copper studs. You can mount it either on the surface or the rear panel according to your needs. The tactile textures on the knob help you find the right position by touch. When using it on a gasoline - powered boat, rest assured as it's ignition - protected. But be careful as it can expose you to harmful chemicals. Check P65Warnings.ca.gov for more details. For maintenance, regularly inspect the studs for any signs of corrosion. If you notice any, clean them gently. Keep the switch dry and away from excessive heat. And always refer to the Owner's Manual (pdf) for any specific instructions.