The TW4400 is a fully integrated stud welding system for ferrule-shielded and gas-shielded drawn arc stud welding. The TW4400 contains digital controls for weld time, weld current and gas purge time. The system was designed to be a perfect fit for shop using, welding up through 5/8" studs. This is all contained in a compact portable package. New features include PRO-TEC'D technology that protects the gun circuitry and a improved user interface for a more intuitive setup. Does not include the power cable or accessories (chucks and ferrule grips). Ships via LTL freight. In Stock Spec Sheet User Manual FEATURES WELD RANGE Up to 5/8" Diameter Studs DUTY CYCLE Up to 1/4": Unlimited3/8": 7 to 18 Per Minute1/2": 4 to 5 Per Minute 5/8": 2 to 3 Per Minute DIMENSIONS 12.6 H x 11' W x 22.4" L125 Lbs INPUT VOLTAGE 230/460 VAC 3-Phase 60 Hz FUSING REQUIREMENTS (SLOW ACTING) 230V / 50A 460V / 25A INCLUDES 1 TW4400 Power Supply 1 TWE19000 Light Duty Stud Gun with 25' of #1 AWG Combo Cable with Camlok and Phoenix Connectors, (2) 9" Legs and Small Closed Foot 1 15' Ground Cable Assembly