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K4274-6 / Flextec® 350X PowerConnect® / LF-74 One-Pak

$11,702.08
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AvailabilityIn stock
SKU
K4274-6

  • Convenient One-Pak for basic wire welding applications.

 

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Proposition65
More Information
Brand LINCOLN ELECTRIC
Features

Flextec 350X PowerConnect/ LF-74 One-Pak includes an LF-74 wire feeder, drive rolls, gun, cables and regulator in one convenient, easy to order product number. This system is well suited for CV MIG welding in the shop.

Features

  • PowerConnect allows for Automatic connecting to any incoming voltage 200-575VAC, single or three-phase, 50 or 60Hz.
  • LF-74 feeder package is perfect for basic wire welding processes.
  • Ultimate process flexibility. Supports MIG, TIG, Stick, Flux cored and Carbon Carbon Arc Gouging.
  • Proven Reliability. Based on the same proven platform as the previous Flextec machines and lab and field tested to perform in extreme environments.
Specifications

Product Weights & Dimensions

Dimensions (H x W x D) 17 in x 13 in x 24 in (432 mm x 330 mm x 609 mm)
Net Weight 201 lbs (91.2 kg)

Machines

Machines Processes Stick (SMAW)
Gouging (CAC-A)
Flux-Cored (FCAW)
TIG (GTAW)
MIG (GMAW)
Pulsed MIG (GMAW-P)
Flux-Cored Self-Shielded (FCAW-S)
Flux-Cored Gas-Shielded (FCAW-G)
Max Rating 425A
Output Range by Mode 5-425 A
Machines Communication Technology analog
digital
CrossLinc
ArcLink
Wire Feeder Supply Voltage 40VDC
Amphenol Pins (type of connector) 5
14
12
Work Lead Connector Type Tweco

Wire and TIG Feeders

Number of driven rolls 2 rolls
Max spool diameter 60lb
Communication Technology analog
UI type Simple
Max Rated Output Capable 500A
Max Wire Diameter (Solid) 1/16 in (1.6 mm)
Max Wire Diameter (Cored) 5/64 in (2 mm)
Max WFS 800IPM
Feedhead Configuration Single
Wire Configuration Single
Power Source to Feeder Communication Connector Type 14-pin
Accesories Communication Connector Type none
Gun Bushing Tweco #2-#4
Max Spool Size (lbs) 60
Max Spool Size (kg) 30
Wire Feeders Processes MIG
Safety Listing CSA Yes
Safety Listing UL Yes

Basic Specification

Input Voltage 200-600/1/3/50/60
Input Current 3 Phase: 350A/34V/60%, 208-220/220-230/380-415/460/575, 45/40/23/19/15
1 Phase: 350A/34V/60%, 380-415/460/575, 39/32/26
1 Phase: 300A/32V/60%, 200-208/220-230, 62/56
Input Power 3 Phase, 200-208/220-230/380-415/460/575 - 50/60 Hz
1 Phase, 380-415/460/575 - 50/60 Hz
1 Phase, 200-208/220-230 - 50/60 Hz
Output Range 3 Phase 200-600V: 5-425A Max OCV 80V DC
1 Phase 380-575V: 5-425A Max OCV 80V DC
1 Phase 200-230V: 5-350A Max OCV 67V DC
Rated Output 3 Phase 200-600V: 350A/34V/60% - 300A/32V/100%
1 Phase 380-575V: 350A/34V/60% - 300A/32V/100%
1 Phase 200-230V: 300A/32V/60% - 280A/31V/100%

Application

Typical Application Construction
Cross Country Pipeline
Construction & Field Erection
General Fabrication
Heavy Equipment
Heavy Fabrication
Maintenance & Repair
Offshore
Oil & Gas
Power Generation
Shipbuilding
Structural Fabrication
Structural Welding

Warranty

Warranty 3 Years
Title
FLEXTEC® 350X Spec Sheet
  • 8.5 ft (2.6m) input power cord.
  • Control Cable Extension - Male 14 pin to Female 14 pin - 10 ft (3 m) | K1797-10.
  • Drive Roll Kit .035, .045 (0.9, 1.2 mm) Solid Wire | KP1505-1.
  • Weld Cable Package - Work & Power Lead 2/0 - Tweco® Male & GC500 / Tweco® Male & Lug - 10 ft (3 m) | K1803-2.
  • Flextec® 350X PowerConnect® (Tweco) | K4273-1.
  • Magnum® PRO Curve™ HDE™ 250 Welding Guns | K4531-2-10-45.
  • LF-74 Wire Feeder, Bench Model, Heavy Duty | K2426-5.
  • Model 355-2Ar-58010 Flowmeter Regulator Shielding Gas Kit | 3100211.