The PS-3A automatic stud welding gun is electronically controlled. It welds studs with ignition tip as per DIN EN ISO 13918 accurately on scribed or centre marked surfaces without requiring any auxiliary aids. The studs can either be fed semi-automatically by hand or fully automatically from the UVR-300 or UVR-300S universal feeder via the feed chute into the stud holder. The sturdy and ergonomically shaped stud welding gun is fully compatible with all stud welding systems.