Esab 0445-555881 Multi-process Welding Machine 850 Amp

Product Description

The ESAB 0445-555881 is a heavy-duty multi-process welding machine built for demanding industrial and field applications. Part of the Warrior 750i Arcair line, it delivers an output of up to 850 amps, with a rated output of 820 amps at 60% duty cycle and 750 amps at 100% duty cycle. The unit uses inverter technology to combine strong arc performance with improved energy efficiency. Licensed welders and industrial maintenance technicians install and operate this machine in high-productivity environments where long run times and process flexibility are required.

This machine supports true multi-process operation, including arc gouging with electrodes up to 12.8 mm (approximately 0.5 inches) in diameter. It is suited for heavy fabrication shops, shipyards, structural steel erection, and pipeline work where sustained high-amperage output is essential. The wide input voltage range allows the unit to adapt to regional power supply conditions without additional external conversion equipment. Its intuitive control interface and glove-friendly knobs allow operators to make process adjustments efficiently during active work.

Key Features

• True multi-process capability including Arcair gouging with up to 12.8 mm electrodes
• 820 amps at 60% duty cycle and 750 amps at 100% duty cycle for sustained heavy-duty use
• Inverter-based design delivers improved energy efficiency and stable arc performance
• Wide input voltage range supports varying regional electrical supply requirements
• Glove-friendly control knobs and clear interface allow fast adjustments in the field

Compatibility

Designed as an OEM-matched replacement or direct-supply unit within the ESAB Warrior 750i Arcair multi-process welding platform for heavy industrial applications.

Installation Notes

Installation and electrical connection should be performed by a qualified electrician or certified welding equipment technician in accordance with applicable NEC requirements. De-energize and lock out all input power before making or inspecting any electrical connections. Verify that the supply circuit rating matches the machine input requirements before startup. Ground the unit properly per the manufacturer documentation before operation.

Technical Specifications

• Maximum Output: 850 amps
• Rated Output: 820 amps at 60% duty cycle
• Rated Output at 100% Duty Cycle: 750 amps
• Maximum Electrode Size (Gouging): 12.8 mm (approximately 0.5 inches)
• Technology: Inverter
• Weight: 288 pounds
• UOM: Each
• Minimum Order Quantity: 1
• UPC: 7322376240259

Standard Information

• Brand: ESAB
• Manufacturer Part Number: 0445-555881