12V-110V DC Miniature Circuit Breaker, 10 Amp 1 Pole Battery Breaker Protector f

12V-110V DC Miniature Circuit Breaker, 10 Amp 1 Pole Battery Breaker Protector for Solar PV System and RV, Thermal Magnetic Trip, Din-Rail/Surface Mount, DC Disconnect Switch B10. AC has a zero-crossing point, but DC does not, so DC arc is more difficult to extinguish than AC arc, which is why AC circuit breakers can Not be used for DC power, and DC circuit breakers can be used for AC power.