Well it has a small motor 1.2 amps I believe and the rest is heating strips. And yes the fuses(30 amps) are protecting the motor and heat strips. Trying to save a good customer of mine a few pennies and I am thinking the 50A breaker will suffice as long as the motor is fused at 30 amps like the 10ft tap rule maybe. I figured to look here because this is a very knowledgeable bunch of guys. Would this not be like setting a 100 amp disconnect and feeding it with number 3 and then fusing it for 50 amps and having number 8 on the load side of the disconnect.