2.5kVA and 5.0kVA AC Resistance Welders. Advanced features include dual pulse, multi-pulse, rollspot, seam welding, and temper functions. Sunstones AC Spot Welders can save up to 9 Schedules and up to 9 Jobs. A Job allows you to chain schedules together to perform complicated welding procedures. The AC1025 and AC1050 are computer controlled and include thermal protection monitoring.
