FIREPOWER 3 in One MST 140i Mig Stickand Tig Welder FR1444-0870 Performance for Every Process Full Multi-Process Capability: MIG (GMAW/FCAW), STICK (SMAW), TIG (GTAW) Analog Inverter with Analog ControlFast control response (13 micro-seconds) Accessory ReadySpool gun, MIG gun, TIG torches, foot controller Digital Voltage and Amperage / Wire speed MetersPreview and hold capability Industry Standard Euro MIG Gun ConnectionMST Single Phase 115 VAC Input Voltage Comprehensive Setup Charts and Quick Start Guide Specs: Maximum Output 140 Amp MIG (GMAW/FCAW) Welding Output @104?F (40?C) 140A / 19V @ 15% Duty Cycle, 90A / 18.5V @ 20% Duty Cycle STICK (SMAW) Welding Output @104?F (40?C)90A / 23V @ 15% Duty Cycle, 80A / 23.2V @ 35% Duty Cycle TIG (GTAW) Welding Output @104?F (40?C) 140A / 15.6V @ 15% Duty Cycle, 100A / 14V @ 20% Duty Cycle Current Range 10 Ÿ?? 140 Amp MIG Welding Voltage Range 14.5 Ÿ?? 19 Volt Wirefeed Speed Range 90 Ÿ?? 390 IPM (2.3 Ÿ?? 9.9 m/min) Nominal OCV Volt/DC 53 Volt Maximum Plate Thickness 3/16" (4.8 mm) Includes: Firepower MST 140i Power Supply, Firepower 140 Amp MIG Gun, Firepower Argon/CO2, Pressure Regulator / Gauge & Hose, Electrode Holder & Ground Clamp, Drive Roll & Contact Tips, 15-20 Amps Power Adapter, Shoulder Strap, and CD with Multi-Language Operating Instructions