4-7. Connecting 3-Phase Input Power

! Installation must meet all National and Local Codes − have only quali- fied persons make this installation.

!

3

!

= GND/PE Earth Ground

4

Disconnect and lockout/tagout in- put power before connecting input conductors from unit.

Always connect green or green/ yellow conductor to supply grounding terminal first, and never to a line terminal.

7

2

.The Auto-Link circuitry in this unit au- tomatically links the power source to the primary voltage being applied. A 230/460 unit can be connected to ei- ther 230 or 460 VAC input power. A 460/575 model can be connected to either 460 or 575 VAC input power.

For Three-Phase Operation

1 Input Power Cord.

2Disconnect Device (switch shown in the OFF position)

 

 

L1

 

3

 

L2

5

 

6

L3

 

 

 

 

1

3Green Or Green/Yellow Grounding Conductor

4Disconnect Device Grounding Terminal

5Input Conductors (L1, L2 And L3)

6Disconnect Device Line Terminals

Connect green or green/yellow grounding conductor to disconnect device grounding terminal first.

Connect input conductors L1, L2, and L3 to disconnect device line terminals.

7 Overcurrent Protection

Select type and size of overcurrent protec- tion using Section 4-5(fused disconnect switch shown).

Close and secure door on disconnect device. Remove lockout/tagout device, and place switch in the On position.

Tools Needed:

2/04 - Ref. 802 136-A / 801 192

OM-188 304 Page 18

Page 22
Image 22
Miller Electric 460Volt, 575Volt, 230Volt Connecting 3-Phase Input Power, = GND/PE Earth Ground, For Three-Phase Operation

575Volt, 460Volt, 230Volt specifications

Miller Electric is a leading manufacturer of welding and cutting equipment, renowned for its innovation and reliability. Among its extensive product line, Miller offers a variety of welding machines that operate on different voltage systems, specifically 230 Volt, 460 Volt, and 575 Volt models. Each of these voltages is designed to meet the needs of diverse applications and industries, from light fabrication to heavy industrial use.

Miller Electric’s 230 Volt machines are typically utilized in smaller workshops and for light to medium-duty applications. These machines are known for their portability, ease of use, and flexibility. They often feature inverter technology, which allows for compact designs and energy efficiency. This technology also helps in maintaining a stable arc, resulting in high-quality welds. The 230 Volt models are well-suited for MIG and TIG welding processes, offering versatility in material thickness and type.

The 460 Volt models are tailored for industrial settings that require greater power output. These machines deliver increased performance and are ideal for high-demand applications such as structural steel fabrication and heavy manufacturing. The robust design of the 460 Volt machines allows them to handle prolonged use and extreme conditions. Additionally, many of these units are equipped with advanced features such as digital display controls, programmable settings, and a variety of welding modes, enhancing user control and efficiency.

Finally, the 575 Volt models are designed for the most demanding environments, often seen in large-scale industrial operations. These machines provide exceptional power, allowing for welding of thicker materials and more complex joints. They also incorporate advanced cooling systems to handle the heat generated during extended welding sessions. The 575 Volt units may come equipped with enhanced safety features such as automatic shut-off and overload protection, ensuring reliable operation.

Miller Electric's commitment to innovation is reflected in the various technologies used in these voltage models. Features such as Auto-Set, which automatically adjusts parameters for different metals and thicknesses, streamline the welding process for users. Additionally, Miller's advanced inverter technology not only reduces energy consumption but also improves arc stability and consistency, leading to superior weld quality.

In summary, Miller Electric's 230 Volt, 460 Volt, and 575 Volt machines cater to a wide spectrum of welding needs, each with its unique set of features and advantages. The combination of portability, power, and advanced technology makes Miller Electric a trusted choice for welders across multiple industries.