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Miller NEMA 15-50P 3-Phase 50A Plug for Big Blue Welders

$895.74/EA $630.74/1 PER EA only $630.74/EASave 30%

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OVERVIEW

Reliable Power for Your Big Blue Welder

Keep your job site powered up and your welds consistent with the genuine Miller 254140 3-Phase Plug. When you are running heavy-duty equipment like the Miller Big Blue 800, a reliable power connection isn't just a luxury—it's a necessity. This plug is designed to replace damaged or worn-out connectors on your power cables, ensuring that your engine-driven welder delivers its full potential. Rated for a substantial 50 Amps at 240 Volts, this plug handles the heavy electrical loads required for industrial welding and auxiliary power tasks without overheating or failing.

The Miller 254140 features a NEMA 15-50P configuration, which is the standard for "Full KVA" receptacles on many 3-phase engine drives. Its 3-prong plus ground design (3P4W) guarantees a secure, grounded connection every time you plug in. The straight blade design locks firmly into the receptacle, preventing accidental disconnects that could interrupt your arc or damage your equipment. Built with the durability you expect from Miller Electric, the outer shell resists impact, abrasion, and the rough handling that comes with daily use in the field.

Don't risk your equipment or your safety with generic, ill-fitting plugs. Using the correct OEM part ensures that your voltage and phase requirements are perfectly met. This plug is easy to install on your existing power cable, featuring clear terminal markings for proper wire termination. Whether you are repairing a cut cord or building a custom length extension for your Big Blue welder, this 50-amp plug is the professional's choice for safe, reliable, and efficient power transmission. Get your machine back in action and maintain the high performance of your Miller equipment with this essential accessory.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Amperage Rating:50 A
Voltage Rating:240 V
Phase:3-Phase
NEMA Configuration:15-50P
Wire Configuration:3P4W (3 Pole, 4 Wire)
Product Type:Straight Blade Plug

INCLUDED

  • 1 x Miller NEMA 15-50P 3-Phase Plug (254140)

APPLICATIONS

  • Replacement plug for damaged power cables on Miller engine-driven welders.
  • Fabrication of custom-length power extension cords for 3-phase equipment.
  • Connection to "Full KVA" receptacles on Big Blue 800 and similar series machines.
  • Industrial electrical maintenance and repair operations.

FAQ

This plug has a NEMA 15-50P configuration.

This is a 3-Phase plug designed for 3-phase electrical systems.

It is rated for 50 Amps and 240 Volts AC.

It is compatible with Miller Big Blue 800 and other Big Blue series welders featuring the Full KVA receptacle.

It features a 3-Pole, 4-Wire (3P4W) grounding configuration.

No, this is the plug connector only. The cable must be purchased separately or supplied by the user.

Yes, this is the genuine Miller Electric part number 254140.

No, this plug is rated for 240V and will not fit or function safely in a standard 120V outlet.
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