4-5. Electrical Service Guide

NOTICE − INCORRECT INPUT POWER can damage this welding power source. This welding power source requires a CONTINUOUS supply of input power at rated frequency(+10%) and voltage (+10%). Phase to ground voltage shall not exceed +10% of rated input voltage. Do not use a genera- tor with automatic idle device (that idles engine when no load is sensed) to supply input power to this welding power source.

NOTICE − Actual input voltage should not be 10% less than minimum and/or 10% more than maximum input voltages listed in table. If actual input voltage is outside this range, output may not be be available.

Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda- tions are for a dedicated branch circuit sized for the rated output and duty cycle of the welding power source.

 

60 Hz Three Phase

60 Hz Single

 

 

Phase

 

 

 

 

 

 

 

 

 

 

 

 

Input Voltage

230

460

575

230

 

460

 

 

 

 

 

 

 

Input Amperes At Rated Output

31

15

12

53

 

27

 

 

 

 

 

 

 

Max Recommended Standard Fuse Rating In Amperes 1

 

 

 

 

 

 

Time-Delay 2

35

15

15

60

 

30

Normal Operating 3

45

20

20

80

 

40

Min Input Conductor Size In AWG 4

10

14

14

8

 

10

Max Recommended Input Conductor Length In Feet (Meters)

112

175

274

85

 

224

(34)

(53)

(83)

(26)

 

(68)

 

 

 

 

 

 

 

 

 

Min Grounding Conductor Size In AWG 4

10

14

14

8

 

10

Reference: 2005 National Electrical Code (NEC) (includes article 630)

 

 

 

 

 

 

1Consult factory for circuit breaker applications.

2“Time-Delay” fuses are UL class “RK5” .

3“Normal Operating” (general purpose - no intentional delay) fuses are UL class “K5” (up to and including 60 amp), and UL class “H” ( 65 amp and above).

4Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table 310.16. If a flexible cord or cable is used, minimum conductor size may increase. See NEC Table 400.5(A) for flexible cord and cable requirements.

Notes

OM-188 304 Page 16

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Miller Electric 230Volt, 575Volt, 460Volt manual Electrical Service Guide, Hz Three Phase Hz Single, Input Voltage

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.