Not really. You fuse the amps for the plug not the actual welder draw.
My old 185A Forney C5 has a three wire NEMA 6-50R 50A plug so I wired a 50A socket. Current on the C5 is probably 30 amps. My new 210amp inverter is 50A but it's a four wire NEMA 14-50 plug.
Sent from my SM-P605V using...