Lincoln Electric Cool-Arc 40 Technical Specifications Download Page 1

Description

Input

Output 

TIG     MIG     PAC (Plasma Arc Cutting)     
PAW (Plasma Arc Welding)

Cool-Arc™ 40

ACCESSORIES

The Cool-Arc™ 40 is a reliable and affordable water cooler for water-cooled MIG or TIG
as well as plasma cutting applications. Available in both 115 and 230 volt models, the
Cool-Arc 40 is compatible with all Lincoln water-cooled systems including Cobramatic®.
The Cool-Arc 40 features a rugged industrial pump manufactured by Pro-Con®, the 
leading pump manufacturer for welding water coolers. This pump is an industry standard,
making the Cool-Arc 40 easy to service and maintain. The Cool-Arc 40 operates smoothly
and minimizes vibrations that would otherwise be transferred to the welding torch.   

Publication E12.170  4/05

www.lincolnelectric.com

Processes

Advantage Lincoln

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TECHNICAL SPECIFICATIONS

Recommended General Options

• Industry standard Pro-Con® internal water pump is easy to 

service and maintain and is designed for continuous operation, 
delivering a steady flow and pressure.

• Powerful “muffin-style” tube axial fan provides efficient cooling,

low noise, and smooth operation to minimize vibration in the 
welding torch.

• Plastic, non-corrosive, 2-gallon reservoir limits loaded 

Cool-Arc 40 weight to 60 lbs. 

• Unit can be mounted and operated either horizontally or 

vertically for minimal footprint.

• Compatible with all Lincoln water-cooled systems including 

Cobramatic water-cooled push-pull torches.

• Color-coded inlet and outlet coolant connections are standard 

female CGA-style (5/8-18 left-hand thread).

• No special coolant required for indoor use - uses tap water.  

• CE (Europe) and C-Tick (Australia) compliant (K2187-1 only).

1

PHASE

60

PSIG

Horizontal Mounting Bracket, Vertical Mounting Bracket, Quick
Connect Water Adapter, Water Cooler Hoses (CGA to QD), Water
Cooler Hoses (CGA to CGA), Magnum® Flow Sensor, Pro-
Torch™ Water-Cooled TIG Torches, Water Cooler Coolant

K1813-1  Cool-Arc™ 40     115/1/50/60
K2187-1  Cool-Arc™ 40     220-240/1/50/60 

Pump Hydraulic Rating

Dimensions

Net

Product

Product 

Input

Open Flow                    Typical

Reservoir

Input

H x W x D

Weight

Name

Number

Power

English (metric)

gal.(ltr)

Current

inches (mm)

lbs (kg)

Cool-Arc™ 40

K1813-1

115/1/50/60

60 PSIG             53-57 PSIG

60 Hz: 3.2A

Empty:

(4.14 bar)         (3.65-3.93 bar)

50 Hz: 4.0A

45 (20.4)

2

@ 115 volts

34 x 9 x 9

Full:

1.66  gal/min           .45-.60 gal/min

(7.57)

60 Hz: 1.5A

(863 x 229 x 229)

61.2 (27.7)

Cool-Arc™ 40

K2187-1

220-240/1/50/60

(6.2 ltr/min)        (1.70-2.27 ltr/min)

50 Hz: 2.2A

@ 230 volts

Note: K1813-1 includes a male, three prong, NEMA Type 5-15P plug.

K2187-1 includes a two prong Continental European (Schuko) plug.

60

50

Hz

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