MULTI-PROCESS WELDERS
DC-400
400 Amp DC Multi-Process Welding Power Source
This heavy-duty, industrial, three-phase multi-process power source from
Lincoln Electric scores big in MIG, flux-cored, submerged arc, stick and DC
TIG welding. It's a great choice for arc gouging too. And flexibility doesn’t
mean complicated – the DC-400 is easy to set-up and use. Changeover
between processes is as simple as turning a switch with the factory or field
installed multi-process switch. On-board ammeter and voltmeter make
monitoring of key welding parameters a snap. Inductance and arc force
controls allow the operator to efficiently refine the arc for the job at hand.
(Shown with
Multi-Process
Switch option)
Processes
Description
CC
Output
Input
3
DC
60 50
Stick
TIG
MIG
Flux-Cored
Subarc
CV
Hz
Hz
PHASE
Gouging
Advantage Lincoln
Recommended General Options
• Large, conveniently located switch makes it easy to
change between CC (Stick/TIG/arc gouging), CV
(MIG/flux-cored) and CV Submerged Arc modes.
Multi-Process Switch, Remote Output Control, Deluxe
Adjustable Gas Regulator and Hose Kit, Undercarriage
• Arc force control adjusts short circuit current for a
soft arc or a forceful driving arc in the CC (Stick/TIG)
mode.
Recommended Stick Options
Accessory Kit
• Arc control adjustment changes pinch effect of the
arc to control spatter, fluidity, and bead shape in the
MIG/Flux-Cored mode.
Recommended TIG Options
Pro-Torch™ TIG Torches, TIG Module, Docking Kit, Hand
Amptrol™, Foot Amptrol, Remote Control Adapter, Amptrol
Adapter Kit, Water Valve, TIG Control Cable Extension
• Capable of stick and DC TIG welding, and air carbon
arc gouging with up to 5/16" (8mm) diameter carbon
rods.
• Solid state circuitry provides extra long life for
repetitive welding applications.
Recommended Wire Feeders
LN-7, LN-7 GMA, LN-742, LN-8, LN-9, LN-9 GMA, LN-10,
DH-10, LN-15, LN-23P, LN-25, Cobramatic®, NA-3, NA-5,
LT-7
• Outstanding welding performance with a single range
full output control potentiometer.
• Analog ammeter/voltmeter are standard.
•
10% input line voltage compensation for maintain-
ing weld consistency.
Order
K1308-11 DC-400 230/460/3/60
• Low profile case allows stacking machines up to
three high to conserve floor space. (Stacking not
recommended when using undercarriage.)
K1308-12 DC-400 (w/Multi-Process Switch) 230/460/3/60
K1309-20 DC-400 220/380/440/3/50/60
K1309-21 DC-400 (w/Multi-Process Switch) 220/380/440/3/50/60
Technical Specifications
Dimensions
Product
Name
Product
Number
Rated Output(1)
Current/Voltage/Duty Cycle
Input Current @
Rated Output
H(2) x W x D
in. (mm)
Net Weight
lbs.(kg)
Input Power
Output Range
K1308-11
K1308-12
230/460/3/60
400A/36V/100%
(450A/38V/60%)
(500A/40V/50%)
78/39A
60-500A
12-42V
27.5 x 22.3 x 33.1
(698 x 566 x 840)
473
(215)
DC-400
K1309-20 220/380/440/
K1309-21 3/50/60
81/47/40A
(1) NEMA Class I Rated Output / Based on a 10 min. period.
(2) Add 3.3 in. (84mm) for lift bail.
E5.20 11/02
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Recommended Options
Undercarriage
Platform undercarriage with
mountings for two gas cylin-
ders at rear of welder.
Order K841.
Amptrol Adapter Kit
Adapts Amptrol’s 6-pin
MS-type plug connection
to terminal strip on power
source.
Multi-Process Switch
3-position switch allows
quick and easy change
from electrode positive or
negative semiautomatic/
automatic wire feed welding
to stick or air carbon arc
gouging.
Hand Amptrol™
Varies current for making
critical TIG welds. Fastens
to the torch for convenient
thumb control. Comes with
a 25 ft. (7.6m) cable. Fully
extend the slide forward to
achieve maximum current.
Returning to the start posi-
tion finishes the weld and
starts the afterflow cycle.
Order K963-1
Order K843.
Order K804-1.
Accessory Kit
For stick welding. Includes
35 ft. (10.7m) 2/0 electrode
cable with lug, 30 ft. (9.1m)
2/0 work cable with lugs,
headshield, filter plate,
cover plate, work clamp
and electrode holder.
Order K704.
(For smaller handle 9, 17
or 20 series torches).
Order K963-2
(For larger handle 26 or 18
series torches).
Water Valve
For use with TIG Module.
Shuts off water flow when
the arc is extinguished
when using Magnum®
water-cooled TIG torches.
Order K844-1.
Remote Output Control
Consists of a control box
with choice of two cable
lengths. Permits remote
adjustment of output.
6 pin connection.
Order K857 for 25 ft.
(7.6m) or K857-1 for
100 ft. (30.5m).
Foot Amptrol™
TIG Module
Varies current for making
critical TIG welds. Depress
pedal to increase current.
Depressing pedal fully
achieves maximum set cur-
rent. Fully raising the pedal
finishes the weld and starts
the afterflow cycle. Includes
25 ft. (7.6m) control cable.
Order K870.
Supplies high frequency for
superior starting, contactor
control, remote control
capability and a gas valve
for TIG welding.
TIG Control Cable
Extension
Order K930-2.
Allows the TIG Module to
be operated at up to 45 ft.
(13.7m) from power source.
Connects between the 2 ft.
(0.6m) control cable and
the TIG Module.
Order K937-45.
Deluxe Adjustable Gas
Regulator and Hose Kit
Accommodates CO2, Argon,
or Argon-blend gas cylin-
ders. Includes a cylinder
pressure gauge, dual scale
flow gauge and 4.3 ft.
(1.3m) gas hose.
Docking Kit
Provides a means to “dock”
the TIG Module on top of a
flat-roofed power source, or
any other flat surface meas-
uring at least 10 x 15 in.
(254 x 381mm). It includes a
latch and provisions for a
user-supplied padlock to
lock the TIG Module in
place.
Remote Control
Adapter
Y connection adapter for
connecting K857, K963 or
K870 (6-pin plug connec-
tion) and wire feeder input
cable (14-pin plug connec-
tion) to power source’s 14
pin receptacle.
Order K586-1.
Order K939-1.
Order K864.
[3]
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DC-400 Order Form
PRODUCT DESCRIPTION
ORDER NUMBER
QUANTITY
PRICE
DC-400 (230/460/3/60)
DC-400 (230/460/3/60) with Multi-Process Switch
DC-400 (220/380/440/3/50/60)
K1308-11
K1308-12
K1309-20
K1309-21
DC-400 (220/380/440/3/50/60) with Multi-Process Switch
Recommended General Options
Multi-Process Switch (standard on K1308-12 & K1309-21)
Remote Output Control (use with K864):
for 25 ft. (7.6m)
K804-1
K857
for 100 ft. (30m)
Deluxe Adjustable Gas Regulator and Hose Kit
Undercarriage
K857-1
K586-1
K841
Recommended Stick Options
Accessory Kit
K704
Recommended TIG Options
Pro-Torch™ TIG Torches
TIG Module
See Publication E12.150
K930-2
Docking Kit
K939-1
Amptrol™ - Hand Operated
for: PTA-9, PTA-17 and PTW-20 TIG Torches
for: PTA-26 and PTW-18 TIG Torches
Amptrol™ - Foot Operated
Remote Control Adapter
Amptrol Adapter Kit
K963-1
K963-2
K870
K864
K843
Water Valve
TIG Control Cable Extension - 45 ft. (13.7m)
K844-1
K937-45
Recommended Wire Feeders
LN-7 & LN-7 GMA Industrial Wire Feeder
LN-742 Industrial Wire Feeder
LN-8 Industrial Wire Feeder
LN-9 and LN-9 GMA Industrial Wire Feeder
LN-10 Advanced 4 Drive Roll Wire Feeder
DH-10 Dual Head Version of LN-10
LN-15 Portable Wire Feeder
LN-23P Portable Wire Feeder
LN-25 Portable, Wire Feeder
Cobramatic Deluxe Wire Feeder
NA-3 Automatic Wire Feeder
See Publication E8.10
See Publication E8.20
See Publication E8.30
See Publication E8.50
See Publication E8.200
See Publication E8.200
See Publication E8.60
See Publication E8.90
See Publication E8.100
See Publication E8.300
See Publication E9.10
See Publication E9.30
See Publication E9.70
NA-5 Automatic Wire Feeder
LT-7 Automatic Wire Feeder
TOTAL:
Customer Assistance Policy
The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers
and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for advice or information about their use of our products. We respond to our customers based on the best information
in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice. We expressly disclaim any
warranty of any kind, including any warranty of fitness for any customer’s particular purpose, with respect to such information or advice. As a matter of practical consideration, we also cannot assume
any responsibility for updating or correcting any such information or advice once it has been given, nor does the provision of information or advice create, expand or alter any warranty with respect to
the sale of our products.
Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of the customer.
Many variables beyond the control of Lincoln Electric affect the results obtained in applying this type of fabrication methods and service requirements.
THE LINCOLN ELECTRIC COMPANY
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