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DEFINITION OF WELDING TERMS
WFS
• Wire Feed Speed
CC
• Constant Current
CV
• Constant Voltage
GMAW
• Gas Metal Arc welding
SMAW
• Shielded Metal Arc welding
FCAW
• Flux Core Arc Welding
GENERAL DESCRIPTION
General Physical Description
The RED-D-ARC LN-25™ PRO EXTREME is spe-
cially engineered to be the most rugged portable wire
feeder available.
This model includes a gas solenoid for the flexibility to
run most wire processes.
The plastic case is molded from a high impact, flame
retardant plastic for durability and low weight.
The heart of the RED-D-ARC LN-25™ PRO
EXTREME is the 2 roll MAXTRAC™ drive. The
patented features on the wire drive offer tool-less
changing of the drive rolls and wire guides for quick
spool changes. A tachometer controlled motor pow-
ers the patented drive rolls for smooth, steady feeding
without slippage.
With a 450 amp, 60% duty cycle rating, these feeders
are ready for heavy duty welding.
OPERATION
General Functional Description
The RED-D-ARC LN-25™ PRO EXTREME has
adjustable WFS range for improving the knob sensitiv-
ity. The low range is great for critical welds with
Innershield wires, and the upper range is suitable for
general purpose welding. Selection of the WFS range
is by a rocker switch or through the set-up menu on
meters with digital displays.
RECOMMENDED PROCESSES
• GMAW
• FCAW
PROCESS LIMITATIONS
• GMAW-P procedures must be qualified by the cus-
tomer.
• Across-the-Arc models are not recommended for
stitch or spot welding.
EQuIPMENT LIMITATIONS
• The duty cycle of the wire feeder is 450A, 60%.
Duty cycle is based upon the amount of welding per-
formed in a 10 minute period.
• The maximum spool size is 45 lb. (24 Kg), 12"
(305mm) diameter.
• Maximum FCAW gun length is 15 ft.
• Maximum GMAW gun length is 25 ft.
• K2330-1 Timer Kits do not work with the feeder. Use
K2330-2 kits.
• Push-pull guns do not work with the RED-D-ARC
LN-25™ PRO EXTREME .
• The digital displays do not show preset voltage
• Not compatible with K489-7 Euro connector (except
K2614-7,-8)
RECOMMENDED POWER SOuRCES
• CV-305
• CV-400
• CV-655
• DC-400
• DC-600
• DC-655
• Invertec V-350
• FlexTec 450
• Multi-Weld 350
• Ranger 10,000
RED-D-ARC LN-25™ PRO EXTREME
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• Ranger 3 Phase
• Ranger 225
• Ranger 225 GXT
• Ranger 250
• Ranger 305
• SAE-400
• Pipeliner 200G
• Classic 300
• Vantage 300
• Vantage 400
• Vantage 500
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