A question about autopilot breakers

Am I correct in doing this. I am installing a D180, the AP 74 and 2 servos. I plan on dedicating one breaker, 3 amp to the D180 and it will be powered by the main buss, the AP 74 will get its own breaker (2 amp) powered by the main buss, the servos (SV 32s)will get one breaker (not sure what size, I think 4-5 amp would work) powered by their own AP switch on the panel. I am also going to wire in the disengage on the stick for the autopilot. The wiring got the best of me the first time around, and its seems that trend is still going strong

Randy
8A

On all autopilots have a switch that can disconnect the power to the servos and controller without exception.