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Top Features

  • Heavy Duty 4M x 4M
  • RDA HD 4X4 CE (fixed base model)
  • RDA THD 4X4 CE (travelling base model)

Red-D-Arc column and booms provide excellent welding results with maximum productivity through consistent and accurate placement of welding heads for automatic welding processes including inside, outside, longitudinal and circumferential welding applications and can also be used in conjunction with polishing and grinding heads.

Product Details


Model: RDA HD 4X4 CE / RDA THD 4X4 CE
Maximum Load: 454 kg @ 457 mm C of G
Max. Height Under Boom: 4000 mm / 4025 mm with travelling base
Vertical Boom Travel: 3000 mm
Vertical Boom Speed: 2000 mm/min
Lift Motor: 0.75 kW with brake
Max. Horizontal Extension: 5081 mm from CL of column
Horizontal Boom Travel: 4000 mm
Horizontal Boom Speed: 100 - 2000 mm/min
Boom Motor: 0.37 kW
Rotation: Manual 360°, lockable
Control: Push button pendant, 15 m control cable
Control Functions: Up/down/in/stop/out/speed control/emergency stop
Primary Input Power: 380 to 480 V, 3 phase, 50/60 Hz
Input Current at Rated Load: 6 A
Overall Height: 5500 mm / 5525 mm with travelling base
Weight: 5500 kg / 6000 kg with travelling base
Control Box Ingress Protection Rating: IP65
Control Box Electrical Certification: UL508
Loading Capacity Certification: UL2011
RDA THD 4X4 CE (Travelling Base Model)
Travelling Base Control: Uses column and boom push button pendant control
Control Functions: Forward/stop/reverse/speed control/emergency stop
Travel Speed: 100 - 2000 mm/min
Rail Gauge: 1435 CRS for A45 rail profile
Product specifications and availability may vary by country

Additional Features

Structural steel with continuously welded roundways along with rack and pinion driven movement provide enhanced durability and extended overhaul intervals. Operated via push button pendant control providing 7 function boom control and 5 function travelling base control. Safety features include an integrated anti-fall device and UL /CE certified control boxes with IP65-rated enclosures. All Red-D-Arc column and booms have been tested and certified by UL to establish safe working loads - a first in the weld automation industry.

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Airgas, an Air Liquide company, is the nation's leading single-source supplier of gases, welding and safety products. Known locally nationwide, our distribution network serves more than one million customers of all sizes with a broad offering of top-quality products and unmatched expertise.