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183051 - Miller 300A 3-Phase Silicon Rectifier Assembly

Packaging: 1 PER EA
$1,833.88/EA $1,199.08/1 PER EA only $1,199.08/EASave 35%

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OVERVIEW

Reliable Power Conversion for Industrial Welding

The Miller 183051 Rectifier is a critical component designed for heavy-duty industrial welding machines. As a genuine OEM replacement part, this silicon rectifier assembly ensures that your equipment converts alternating current (AC) to direct current (DC) with maximum efficiency and reliability. In the world of industrial fabrication, equipment downtime can be costly. Using authentic Miller parts like this rectifier guarantees that your machine maintains the manufacturer's original specifications, providing the consistent power output required for high-quality welds.

This specific unit is engineered for 3-phase power sources, which are standard in industrial settings due to their ability to provide smoother, more constant power compared to single-phase alternatives. The rectifier features a robust design rated for 300 Amps. Crucially, it boasts a 100% duty cycle, meaning it is capable of running continuously at its rated amperage without needing a cooling off period, provided the machine's cooling system is functioning correctly. This makes it ideal for production environments where welders are in constant operation.

The assembly utilizes high-quality silicon diodes, known for their durability and thermal stability. With a Peak Inverse Voltage (PIV) rating of 400V, the components are protected against reverse voltage spikes that can occur during welding operations, ensuring a long service life. When a rectifier fails, it can lead to erratic arcs, reduced power output, or complete machine failure. Replacing a faulty unit with the Miller 183051 restores the smooth, stable DC arc that professional welders rely on for precision work.

At Josef Gas, we understand the importance of maintaining your fleet of welding equipment. This rectifier is sourced directly from Miller Electric, ensuring compatibility and performance. Whether you are repairing a Deltaweld, a Dimension series, or another compatible 3-phase Miller power source, this part provides the assurance of quality that comes with the Miller name.

Additional Information
Packaging Description:1 Per Ea
Amperage Rating:300 A
Phase:3-Phase
Duty Cycle:100
Material:Silicon
Component Type:Rectifier Assembly
----- new values below ----
Amperage Rating:300 A
Phase:3-Phase
Peak Inverse Voltage (PIV):400 V
Duty Cycle:100%
Material:Silicon
Component Type:Rectifier Assembly
brand:miller
packaging-description:1-per-ea

INCLUDED

  • 1 x Silicon Rectifier Assembly (3-Phase, 300A)
  • Installation Hardware (if applicable to specific batch)

APPLICATIONS

  • Repair of Miller 3-phase industrial welding power sources
  • Restoring DC welding output in MIG, TIG, and Stick machines
  • Heavy industrial fabrication equipment maintenance
  • Manufacturing and production welding environments
  • Shipyards and structural steel welding equipment repair

FAQ

It converts the 3-phase Alternating Current (AC) from the welder's transformer into Direct Current (DC) used for the welding arc.

Common symptoms include a rough or unstable arc, a significant loss of power output, the machine humming louder than usual, or circuit breakers tripping immediately.

It means the rectifier is rated to operate continuously at 300 Amps without overheating, provided the machine's cooling system is working.

Yes, this is a genuine OEM Miller Electric replacement part, ensuring exact fit and adherence to original factory specifications.

PIV stands for Peak Inverse Voltage. This unit is rated at 400V PIV, which determines the maximum voltage the diodes can block in the reverse direction without failing.

No, this rectifier is specifically designed for 3-phase power sources. Single-phase machines require a different bridge configuration.

Yes, the rectifier assembly typically includes the diodes mounted onto the necessary plates or heat sink structure for thermal management.

It fits various industrial Miller 3-phase power sources. Please check your machine's parts manual for the specific part number 183051 to confirm compatibility.