Simple circuit protection for up to 6 sections (power districts). Designed for the Power Cab or SB3/DB3 boosters but operates with any DCC system.  The CP6 comes with 6 lamps that provide 1 Amp of power to each power disctrict.  1 Amp replacement lamps and optional 1.75 Amp lamps are available separately below or they can be purchased at auto parts stores.