Description No burning No Rust No overheat Ultra small heat area No overheat on the backing material. No damage of antirust layer. No need to remove 100V /220V 6A workable, no need industrial type switch Lighter cable, more convenient for long distance work Phase: Single Input Current: 3 A Output Max Current: 5000A Duty Cycle: 100% @ 8-15 spots/min. 150 spots @25° C