ENGINE DRIVEN WELDERS
Publication E5.91 11/07
www.lincolnelectric.com
Invertec®V350-PRODesigned Smart. Built Tough.
MULTI-PROCESSWELDERS
Advantage Lincoln
TECHNICALSPECIFICATIONS
RatedOutput Dimensions Net
Product Product Current/ InputCurrent @ Output Hx W x D Weight
Name Number Model Input Power Voltage /Duty Cycle RatedOutput Range inches(mm) lbs.(kg)
K1728-5 Construction 200-208/230/380-415/ 350A/34V/60% 3ph:50/42/28-26/23/18 5-425A 14.8 x 13.3 x 27.8 81
K1728-6 Factory 460/575/1/3/50/60 1ph: 94/85/54/42/37 MaxOCV: (376 x 338 x 709) (36.7)
Invertec®K1728-7 Advanced Process 208/230/415/ 300A/32V/100% 3ph:41-39/36/23-22/19/16 80V DC
V350-PRO K1728-13 Factory(Tweco®)460/575/1/3/50/60 1ph:76/69/41/36/31
K1728-8 CE 200-220/380-400/ 350A/34V/60%(3ph) 3ph:48/28-27/26-24 86.5
415-440/1/3/50/60 320A/33V/60%(1ph) 1ph: not rec’d - 82/55-50/48-45 (37.4)
300A/32V/100%(3ph) 3ph: 41-37/28-22/22-21
275A/31V/100%(1ph) 1ph:not rec’d -64/44-43/38-35
• Choose the Construction Model for economy and lightweight porta-
bility,the Factory Model for full remote capabilities, and the Advanced
ProcessModel for pulsed MIG applications.
• All input voltages and frequencies are both single and three phase
rated—no output derating necessary on single phase.
• 5-425 amp output range for all recommended processes from DC TIG
toarc gouging.
• Input voltage from 208-575 and 50 and 60 Hz operation— this one
machineis capable of running on virtually any input power supply.
• Touch-StartTIG®for contamination-free starts.
• Low power consumption for energy savings—88% efficiency.
• Advanced Process model includes Pulsed MIG, Pulse-On-Pulse®
andPower Mode®for best-in-class welding performance.
• Parallel two units for 700A carbon arc gouging.
• The K1728-5, -6, -7, -8, Invertec®V350-PRO includes Twist-Mate™
CablePlugs (K852-70, quantity 2) for easy, tool-less cable connection.
TheK1728-13 Invertec®V350-PRO Factory (Tweco®) model includes
Tweco®cablereceptacles. Tweco®plugs are not included.
• Bright, large digital amp and volt meters are easy to monitor— even in
sunlight—and presettable for precise procedure control.
• Rugged skid and tube handles for convenience and added protection.
• Manufactured under a quality system certified to ISO 9001
requirementsand ISO 14001 environmental standards.
• Three-year warranty on parts and labor. Two-year extended warranty
availablein the U.S.
(1)Advanced Process Panel only.
TheInvertec®V350-PRO is a versatile, multi-purpose, multi-process
powersource that’s lightweight and portable. Available in Construction,
Factory, Factory (Tweco®), and Advanced Process models, the
V350-PROis capable of doing virtually any job, whether in the shop or
onthe construction site. The V350-PRO is capable of stick, DC TIG,
MIG,Pulsed MIG(1), flux-cored and arc gouging, making it the
mostversatile inverter power source in its class. And it’s built
toughto handle the rigors of harsh environments.
Processes
Stick,DC TIG, MIG, Pulsed(1), Flux-Cored, Gouging
CV
CC
DC
13
PHASE
60
50
Hz
Tweco®isa registered trademark of Thermadyne.
Note:Plugs not included with Tweco®model.