If the OP is "for real", (low post count and has not bothered to post again}
Suggest he do this instead of wasting $150+ for a 50cent fuse
Just change the fuse if old for a quality brand EE industry standard 50c fuse, as fuses (even the snake oil ones) do age after many turn on cycle surges.
Quick blow fuses and slow blow fuses aging left to right.
https://ibb.co/0ZtRv4J https://ibb.co/mbzs3RK
Cheers George
Suggest he do this instead of wasting $150+ for a 50cent fuse
Just change the fuse if old for a quality brand EE industry standard 50c fuse, as fuses (even the snake oil ones) do age after many turn on cycle surges.
Quick blow fuses and slow blow fuses aging left to right.
https://ibb.co/0ZtRv4J https://ibb.co/mbzs3RK
Cheers George