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The ESAB 2000-2090 TRGGR MIG GUN ASSY 3590 is an O.E.M. direct replacement electromechanical trigger assembly for Tweco Mini-MIG gun systems. This sub-assembly acts as the primary switch to initiate the wire-feed sequence, open shielding-gas solenoids, and energize the welding power source circuit. It is part of the ESAB legacy Tweco Arcair product portfolio and is designed for air-cooled GMAW gun platforms.
Features
UV-resistant and structural fatigue-resistant injection-molded industrial polymer housing
Spatter and chemical anti-spatter spray resistant exterior lever
Low-effort pull profile with integrated seating to prevent accidental lateral impact ignition
Ergonomic contoured lever surfaces to decrease finger actuation pressure
Plug-and-play integration designed for Tweco split-handle cavities without handle shell modification
Thermal resiliency for operation at high temperatures conducted through copper gun neck assemblies
Signal loss prevention via high-conductivity internal copper alloys
