4-7. Fuel Consumption

US Gal./Hr.

3.00

2.75

2.50

2.25

2.00

1.75

1.50

1.25

1.00

0.75

0.50

0.25

0.00

The curve shows typical fuel use under weld or generator power loads.

w/ Air Output

IDLE

050 100 150 200 250 300 350 400 450 500 550 600 DC WELD AMPERES AT 100% DUTY CYCLE

208 211

4-8. Duty Cycle And Overheating

100% Duty Cycle At 500 Amperes

Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating.

NOTICE − Exceeding duty cycle can damage unit and void warranty.

Continuous Welding

40% Duty Cycle At 600 Amperes

4 Minutes Welding

6 Minutes Resting

 

1000

 

 

 

 

 

 

 

 

 

 

800

 

 

 

 

 

 

 

 

 

 

600

 

 

 

 

 

 

 

 

 

AMPERES

500

 

 

 

 

 

 

 

 

 

400

 

 

 

 

 

 

 

 

 

300

 

 

 

 

 

 

 

 

 

250

 

 

 

 

 

 

 

 

 

WELD

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

150

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

10

15

20

25

30

40

50

60

80

100

% DUTY CYCLE

202 356

 

OM-4409 Page 17

Page 21
Image 21
Miller Electric OM-4409 Fuel Consumption, Duty Cycle And Overheating, 100% Duty Cycle At 500 Amperes, Minutes Welding

OM-4409 specifications

The Miller Electric OM-4409 is a remarkable welding machine designed for both professional welders and enthusiastic hobbyists. Known for its reliability and efficiency, the OM-4409 stands out in the industrial landscape due to its advanced features and innovative technologies.

One of the main features of the OM-4409 is its impressive power output. With a rated output of 400 amps, it is capable of tackling a variety of welding applications, including MIG, TIG, and stick welding. This versatility allows users to switch between welding processes depending on the project requirements while ensuring consistent quality and performance.

The machine incorporates advanced inverter technology, which enhances its overall efficiency. Inverter technology allows for a compact design without sacrificing performance. The OM-4409 weighs significantly less than traditional transformer-based machines, making it more portable and easier to transport. Additionally, the inverter technology ensures that energy consumption is kept to a minimum, reducing operational costs.

Another notable characteristic of the Miller Electric OM-4409 is its user-friendly interface. The intuitive control panel provides easy access to settings and adjustments, allowing welders to fine-tune the machine to their specific needs. The digital display shows crucial parameters such as voltage, amperage, and wire feed speed, enabling welders to monitor their progress in real-time effectively.

Safety is paramount in industrial applications, and the OM-4409 does not disappoint. It is equipped with advanced safety features, including thermal overload protection and fault indication systems. These features ensure that the machine operates within safe limits, protecting both the user and the equipment.

The OM-4409 also boasts a robust build quality, designed to withstand the rigors of daily use in demanding environments. Its durable construction ensures longevity, minimizing maintenance and downtime.

In summary, the Miller Electric OM-4409 welding machine is a powerhouse that combines power, efficiency, and user-friendliness. With its inverter technology, versatility across various welding processes, advanced safety features, and robust design, it represents an excellent investment for any welding professional looking to enhance their capabilities. Whether for heavy-duty industrial applications or intricate metalwork, the OM-4409 delivers unmatched performance and reliability.