SUBMERGED ARC & AUTOMATIC EQUIPMENT
NA-3S, NA-4 & NA-5 Control & Heads
Automatic Welding Systems
Improve productivity with the NA-3S, NA-4, or NA-5 automatic wire feeders. These systems have been specially designed to deposit more weld metal at faster travel speeds which eliminates bottlenecks and cuts costs.
• Solid state controls allow for precise control of welding procedures, striking characteristics, as well as bead size and shape.
• Easily adjusted for a wide range of processes, feed speeds, and wire sizes.
• Compact units with excellent flexibility to fit into simple fixtures or the most complex automated production lines.
• Rugged construction minimizes downtime and maintenance costs.
Product Name
NA-3S Controller NA-4 Controller NA-5 Controller NA-3S/NA-4 Head NA-3S/NA-4 Head NA-3SF/NA-4F Head NA-3SF/NA-4F Head NA-5S Head NA-5S Head NA-5SF Head NA-5SF Head
Product Number
K210-2 K388-2 K356-2 K208A K208B K209A K209B K346A K346B K347A K347B
Shown: K356-2 NA-5
Wire Feed Speed Range ipm (m/min)
25-650 (0.6-16.5)
subject to arc voltage used 25-775 (0.6-16.5)
subject to arc voltage used subject to arc voltage used subject to arc voltage used subject to arc voltage used 15-290 (0.4-7.4) 22-425 (0.6-10.8) 15-290 (0.4-7.4) 22-425 (0.6-10.8)
Wire Size Range - in. (mm) Solid
.035-7/32 (0.9-5.6) .035-7/32 (0.9-5.6) .035-7/32 (0.9-5.6) 3/32-7/32 (2.4-5.6) .035-3/32 (0.9-2.4) 3/32-7/32 (2.4-5.6) .035-3/32 (0.9-2.4) 3/32-7/32 (2.4-5.6) 1/16-3/32 (1.6-2.4) 3/32-7/32 (2.4-5.6) 1/16-3/32 (1.6-2.4)
Processes • Flux-Cored • Submerged Arc
Output Input
115 VAC
Required Options • Nozzle Assembly • Control Cable •Weld Power Cable • Power Source • Wire Reel(s) and mounting
Key Options • More options at end of section
Literature E9.10 (NA-3S, NA-4) E9.30 (NA-5)
5060 Hz
Automatic Welding Systems
• 'Set-it and forget it' automatic welding
• Deposit more metal at faster travel speeds compared to semiautomatic equipment
• Designed to help you increase production, eliminate operational bottlenecks and cut costs.
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