Specifications (Subject to change without notice.)

 

Input

Welding

Max

 

Amps Input at AC Balance, Rated Load

 

 

 

 

 

 

Model

Power

Amp Range

OCV

Rated Output

200V 220V 230V 400V 440V 460V 520V

575V

KVA

KW

Dimensions

Weight

Syncrowave

60 Hz,

3 – 310 A

80 V

250 A at 30 V,

110

—

96

—

—

48

—

38

22

12

H: 33-1/4 in (845 mm)*

378 lb

250

1-Phase

 

 

40% Duty Cycle

 

 

 

 

 

 

 

 

 

 

W:22-1/2 in (572 mm)

(172 kg)

 

50 Hz,

 

 

225 A at 29 V,

101

—

88

—

—

44

—

35

20

10

D: 25 in (635 mm)**

 

 

 

 

 

 

 

1-Phase

 

 

40% Duty Cycle

 

 

 

 

 

 

 

 

 

 

with TIGRunner®

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H: 46 in (1168 mm)*

478 lb

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W:28-1/2 in (724 mm)

(217 kg)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D: 40-1/2 in (1029 mm)**

 

Syncrowave

50 or

 

 

250 A at 30 V,

—

100

—

55

50

—

42

—

22

12

H: 33-1/4 in (845 mm)*

378 lb

250 CE

60 Hz,

 

 

40% Duty Cycle

 

 

 

 

 

 

 

 

 

 

W:22-1/2 in (572 mm)

(172 kg)

220/400/

1-Phase

 

 

 

 

 

 

 

 

 

 

 

 

 

D: 25 in (635 mm)**

 

440/520

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Syncrowave

50 or

3 – 400 A

80 V

350 A at 34 V,

146

120

128

66

60

65

51

50

30

14

H: 33-1/4 in (845 mm)*

496 lb

350

60 Hz,

 

 

40% Duty Cycle

 

 

 

 

 

 

 

 

 

 

W:22-1/2 in (572 mm)

(225 kg)

All Models

1-Phase

 

 

 

 

 

 

 

 

 

 

 

 

 

D: 25 in (635 mm)**

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

with TIGRunner®

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H: 46 in (1168 mm)*

596 lb

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W:28-1/2 in (724 mm)

(270 kg)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D: 40-1/2 in (1029 mm)**

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: See pg 6 for power factor correction kit. *Add 3 in (76 mm) for lift eye. **Add 1-1/2 in (38 mm) for handle.

Certified to both the Canadian and U.S. Standards for welding equipment.

Performance Data

DUTY CYCLE CHART

 

500

 

 

 

RATED OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

450

 

 

 

 

 

 

 

 

 

 

400

Syncrowave 350 LX

 

 

 

 

 

 

 

 

 

350

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300

Syncrowave 250 DX

 

 

 

 

 

 

 

 

 

250

 

 

 

 

 

 

 

 

AMPERES

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WELDING

150

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

20

30

40

50

60

70

80

90

100

 

10

% DUTY CYCLE

3

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Miller Electric 250 DX, 350 LX manual Performance Data
Page 2 Page 4

350 LX, 250 DX specifications

Miller Electric has long been recognized as a leader in the welding equipment industry, and their Miller Electric 250 DX and 350 LX models showcase the superior technology and innovation that the brand is known for. These machines are designed to provide high-quality welding performance and user-friendly convenience, catering to both professional welders and hobbyists alike.

The Miller Electric 250 DX is a versatile DC multi-process welder capable of TIG, MIG, stick, and even flux-cored welding. One of its standout features is the Auto-Set function, which simplifies the welding setup process. By automatically adjusting the machine settings based on the material thickness and type, this feature allows users to spend less time on preparations and more time welding. Additionally, the 250 DX's wide range of output power—from 5 to 250 amps—makes it ideal for diverse applications, from thin sheet metal to heavy-duty fabrication.

On the other hand, the Miller Electric 350 LX takes versatility a step further. With the capacity to handle both AC and DC welding, it is perfect for a variety of applications, including aluminum welding, which often requires AC output. The 350 LX also incorporates advanced technologies such as Auto-Set Elite, providing precise, easy-to-navigate control over parameters for both novice and experienced welders. This not only enhances the user experience but ensures consistent and high-quality welds every time.

Both models feature the i-TIG function, which allows for easy toggling between different welding processes without needing to modify the setup extensively. Furthermore, with sturdy construction and portable design, these machines are built to withstand the rigors of job site environments while being easily transportable.

The additional presence of a built-in temperature control system helps prevent overheating, ensuring durability and reliability. Miller's commitment to safety is evident in both models, which include advanced features like automatic shut-off and fault detection.

In summary, the Miller Electric 250 DX and 350 LX are two exceptional welding machines that combine user-friendly functions, cutting-edge technology, and robust design. Whether for professional or personal use, these welders promise to deliver outstanding performance, ensuring that they meet the diverse needs of modern welders. Both models stand as a testament to Miller Electric's dedication to quality and innovation in the welding industry.
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