Lincoln Electric Idealarc 250 User manual

• utstanding arc stability and built-in stabilizer provide popout-
resistant welding with all AC electrodes.
• Versatile welding range with up to 300 amps AC and 250 amps DC.
• Suitable for use with every type of electrode including low hydrogen,
stainless steel, hardfacing, aluminum and bronze.
• Easy set-up and operation. Full range continuous current control dial
with current indicator for exact heat required for each job.
• Change polarity with a twist of the wrist –– AC, DC+ or DC-.
• Stackable case design allows machines to be stacked 3 high to save
valuable floor space.
• Fan-cooled for extra thermal protection.
• CSA NRTL/C certified.
• PC boards for extreme environmental protection.
• Manufactured under a quality system certified to IS 9001
requirements and IS 14001 environmental standards.
• Three-Year Lincoln Warranty on parts and labor. Two-year extended
warranty available in the U.S.
Advantage Lincoln
STICK WELDERS
Publication E2.70 02/08
www.lincolnelectric.com
250 Amp DC Stick Weldi g Power Source
Idealarc®250
Output
1
PHASE
AC
DC
I put
60
Hz
The Idealarc®250 is the classic workhorse of the Lincoln Electric stick welding
power source line. It produces up to 300 amps of brute AC welding strength or
down to 40 amps of smooth DC welding performance.
Add the optional TIG Module to create a versatile AC/DC TIG welder for welding
aluminum or other alloy metals.
The Idealarc®250 is well suited for industrial production welding applications, for
maintenance and repair shops where welding versatility is needed, and for the
shop or farm where ruggedness and durability is required.
Processes
Stick, TIG, Gouging
TECHNICAL SPECIFICATIONS
Rated Output Dime sio s
Product Product Curre t/Voltage/ I put Curre t @ H x W x D Net Weight
Name Number I put Power Duty Cycle Rated Output Output Ra ge i ches (mm) lbs (kg)
Idealarc®250 K1053-7 208/230/460/1/60 AC: 250A/30V/30% 95/86/43A AC: 35-300A 27 x 19 x 21.5 350
K1053-9 DC: 250A/30V/30% 75/68/34A Max. CV: 72V (686 x 483 x 546) (159)
with Power Factor
Capacitors DC: 40-250A
Max. CV: 70V
K1053-8 230/460/575/1/60 AC: 250A/30V/30% 86/43/34A
DC: 250A/30V/30% 68/34/27A

THE LINCOLN ELECTRIC COMPANY
22801 St. Clair Ave., Cleveland, OH 44117-1199 • 216.481.8100 • www.lincolnelectric.com
RECOMMENDED OPTIONS
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 information or advice about their use of our products. Our employees respond to
inquiries to the best of their ability based on information provided to them by the customers and the knowledge they may have concerning the application. Our employees, however, are not
in a position to verify the information provided or to evaluate the engineering requirements for the particular weldment. Accordingly, Lincoln Electric does not warrant or guarantee or assume
any liability with respect to such information or advice. Moreover, the provision of such information or advice does not create, expand, or alter any warranty on our products. Any express or
implied warranty that might arise from the information or advice, including any implied warranty of merchantability or any warranty of fitness for any customers’ particular purpose is
specifically disclaimed.
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 these types of fabrication methods and service requirements.
Subject to Change – This information is accurate to the best of our knowledge at the time of printing. lease refer to www.lincolnelectric.com for any updated information.
Idealarc®250 (208/230/460/1/60) K1053-7
Idealarc®250 (230/460/575/1/60) K1053-8
Idealarc®250 (208/230/460/1/60) with Power Factor Capacitors K1053-9
Recommended General Options
ower Factor Capacitor Kit K1894-1
Undercarriage K866
2-Year Extended Warranty - U.S. Only X1053
Recommended Stick Options
Accessory Kit, 400 Amp K704
Accessory Kit, 150 Amp K875
Recommended TIG Options
TIG Module K930-2
Contactor Kit K938-1
Control Cable K936-4
TOTAL:
IDEALARC®250 ORDER FORM
PRODUCT DESCRIPTION ORDER NUMBER QUANTITY PRICE
GENERAL OPTIONS
Power Factor Capacitor Kit
Used to reduce current draw and
keep electricity cost to a minimum
when machine is routinely operated
at high outputs. Reduces input amps
by approximately 20% at rated load.
Order K1894-1
Undercarria e
For hand moving. Includes handle,
axle, wheels, front bracket and
mounting hardware
Order K866
STICK OPTIONS
Accessory Kit, 400 Amp
For stick welding. Includes 35 ft.
(10.7 m) #2/0 electrode cable with
lug, 30 ft. (9.1 m) #2/0 work cable
with lugs, headshield, filter plate,
work clamp, and electrode holder.
Order K704
STICK OPTIONS, CONT.
Accessory Kit, 150 Amp
For stick welding. Includes 20 ft.
(6.1 m) #6 electrode cable with lug,
15 ft. (4.6 m) #6 work cable with
lugs, headshield, filter plate, work
clamp, electrode holder and sample
pack of mild steel electrode.
Order K875
TIG OPTIONS
TIG Module
ortable, high frequency unit with
gas valve for TIG welding. Rated at
300 amps/60% duty cycle.
Order K930-2
Contactor Kit
Installs in the K930-2 TIG Module for
use with welders without a contactor.
Makes the TIG torch electrode
electrically “cold” until the Amptrol®
is activated.
Order K938-1
Control Cable
Connects TIG Module to power
source. 9-pin to 115V.
Order K936-4