460V 3 Phase and Single Phase Power Supply - Heavy-Duty Welders & Plasma Cutters

460V power outlets is only used in heavy-duty fabrication shops, factories, and commercial buildings. Many 460V welding and plasma cutting machines are dual voltage and can plug into a 220V outlet.
Shop 460V electric welders from popular brands including MillerVictorBlue Demon, and Hobart.

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Miller Dynasty 400 (CE) International TIG/Stick Welding Power Source #907717002 for sale online
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Lincoln POWER MIG® 360MP Multi-Process Welder (No Input cord) #K4467-2
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Multimatic® 255 Multiprocess Welder - 208-575V Miller Multimatic 255 Multiprocess Welder
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PKG,DELTAWELD 500 MIGRUNNER W/D
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Miller Dynasty 400 Wireless Foot Control Complete Package #951695 available online at Welders Supply Miller Dynasty 400 Wireless Foot Control Complete Package
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Lincoln Electric POWER MIG 360MP Multi-Process Welder #K4467-1
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Yellow welder ESAB Rebel™ EMP 285ic what should I buy online
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Miller Maxstar DX 210 #907684 120-480 V
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Dynasty 280 DX TIG Welder
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Everything you need ESAB ET 301i AC/DC TIG Package #W100940 free and fast
ET 301i AC/DC HD TIG PKG W1009401
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XMTMPA XMT 350 MPa, Dinse #907366
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Thermal Dynamics Cutmaster 60i Part#1-5630-1X Thermal Dynamics Cutmaster 60i #1-5630-1 20' Torch
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Miller Spectrum 875 Auto-Line XT60 Hand-Held Torch with 20ft Cable #907584 Miller Spectrum 875 Auto-Line XT60 Hand-Held Torch
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ESAB RENEGADE ES 300i #0445100881 ESAB RENEGADE ES 300i #0445100881
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long lasting Thermal Dynamics Cutmaster 58, 20 ft. SL60QD, 208-230 with rebate Thermal Dynamics Cutmaster 58, 20 ft. SL60QD, 208-230 VAC
Thermal Dynamics Cutmaster 58, 20 ft. SL60QD, 208-230 VAC
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Miller CST™ 282 208-575V, Dinse
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45 degree angle white background product shot Thermal Dynamics Cutmaster 60i
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Cheapest online Thermal Dynamics Cutmaster 58 1-5830-2 20 ft. Lead W/SL60QD Torch blogging reviews Thermal Dynamics Cutmaster 58, 20 ft. Lead W/SL60QD Torch
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PKG,ARCREACH SUITCASE 12,DURA F
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Cutmaster 1-1330-5 Cutmaster 102, 100 Amp, SL100, 20 ft Leads, 600V, 3Ph
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460v Power Supply

460v power (also referred to as 480v or 440v) is only used in heavy-duty fabrication shops, factories, and commercial buildings requiring power for machinery and large HVAC systems. High-power welding machines are typically rated at 460v or 460v 3-phase. At most commercial and industrial buildings, the power coming into them is 480v, 3-phase, 60Hz or 208v, 3-phase, 60Hz.

Most heavy equipment welders, like Miller’s PipeWorx 400, are rated as 230/460v. A dual voltage rating like this enables you to run the machine on either 220v or 440v service. For all other voltages, check out our power supply by power source page.

Can a welder requiring 460v AC power be used with a 480v AC outlet?

Yes.  Per ANSI standards, 480v is the “distribution voltage”, 460v is the “utilization voltage.” Before there were universal standards, some motors were designed for 440v, some for 460v, and others for 480v. If you look at the nameplates of old motors, you’ll see the variation in voltage ratings. NEMA chose 460v, the in-between rating, as the Utilization Voltage standard so manufacturers could unify their nameplate information without any changes in the design of the motor.

What does a 460v power outlet look like?

460v 3 phase & single phase outlet

Like most 440-480v receptacles, this 30A, 3-phase, 4-wire outlet has a twist-lock to prevent the cord from accidentally getting pulled out while a machine is in use.

What does a 460v plug look like?

460v heavy equipment welder cable (heavy duty)

480v, 20 Amp, 3-phase locking plug

Do you need a 460v outlet to run a welder rated at 460v?

Generally speaking, if you want to run a welder rated at 460v, you need a 460v outlet. However, many Miller welding machines rated at 460v are also rated for 220v service, so you can run them on 220v service with a different cable and plug (supplied with the machine). Miller welders equipped with their Auto-Line technology will automatically adjust for virtually any AC power (from 110v to 575v), including single-phase and three-phase. It also enables consistent, powerful arcs even with the dips and spikes coming with “dirty” power. Other brands have similar multi-voltage capability.

Have questions about 460v power?

Getting a grip on electrical requirements can be confusing for non-electricians. If you have questions about the suitability of a particular welding machine for your shop’s power supply, feel free to give us a call or send us an email. Our technical staff can answer any questions you have.

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