Tweco
Tweco MS212-3545 MIG Welding Gun 250 A 0.045 in 12 ft
Air-cooled MIG gun rated 250 A at 80 % duty cycle, 0.045 in wire, 12 ft cable, 60° fixed neck
- TypeWelding Parts & Supplies
- Air-cooled design runs cooler during extended welds
- 250 A capacity handles heavy fabrication tasks
- 80 % duty cycle supports long production runs
- 045 in wire feeds smooth on mixed gas
- 12 ft cable gives reach across the workbench
Spray Master 250 air-cooled MIG gun
The Tweco MS212-3545 is a 12 ft air-cooled MIG gun rated at 250 A with an 80 percent duty cycle. It accepts wire up to .045 in and runs on mixed shielding gas. The fixed 60-degree neck and curved handle suit general fabrication and repair work.
Sustained output at 80 percent duty cycle
At 250 A the gun maintains its rated output for eight minutes out of every ten without forced cooling. The air-cooled design relies on ambient airflow, so performance holds in open-shop conditions but drops in confined spaces or during continuous high-amperage passes.
Fixed 60-degree neck with 11H tip series
The non-adjustable neck locks the torch angle at 60 degrees and uses 11H-series contact tips. If your joint geometry demands a different angle or your consumable standard is not 11H, this gun will not fit the application.
Highlights
- Air-cooled design runs cooler during extended welds
- 250 A capacity handles heavy fabrication tasks
- 80 % duty cycle supports long production runs
- 045 in wire feeds smooth on mixed gas
- 12 ft cable gives reach across the workbench
Specifications
| Type | Welding Parts & Supplies |
|---|---|
| Brand | TWECO |
Questions about this item
How hot does the air-cooled gun run at its 80 percent duty cycle during a full day of welding?
The gun is rated for 250 A at 80 percent duty cycle, meaning it can weld continuously for eight minutes out of every ten at that current before the air-cooled handle needs a cooling pause.
What wire feeder rear connection must my machine have to accept this gun?
The gun uses a Tweco-compatible rear connection, so your feeder must accept that style of power pin and control plug for the gun to seat and trigger correctly.
Will the fixed 60-degree neck tube reach the same joints as my old flexible-neck gun?
The neck is fixed at 60 degrees, so you cannot bend it like a flexible neck; plan your joint access around that angle or keep a spare neck with a different bend.
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