As with all motors, they have a high start up currrent and the stated current usage of the item by manufacturers has a tendancy only to relate to be the running current and not the start up current. Worth checking out the true current usage first. Reason why Mcb's and fuses have different ratings - A. B. C. D type (in UK) etc.. Most important thing is to make sure the cable size and it's current carrying capacity is correct for the load to be applied. Best working pracitse is to use the next cable size up to ensure cable is protected by the fuse/device.