Description
The Taurus MMA-250 Inverter Welder is a high-output, industrial-grade power source designed for demanding manual metal arc (stick) welding. Engineered for heavy fabrication, structural steelwork, and on-site maintenance, this machine utilizes advanced IGBT inverter technology to deliver a powerful 250A DC output. Despite its high amperage capacity, the MMA-250 remains significantly more portable than traditional transformer units, offering superior arc stability and energy efficiency for professionals who require deep penetration on thicker materials.
Key Features:
- Industrial High-Amperage Output: Delivers up to 250A, allowing for the use of heavy-duty 4.0mm and 5.0mm electrodes for structural welding.
- Advanced IGBT Technology: Ensures a stable welding arc with minimal spatter and a high-speed response to changes in the arc length.
- Built-in Arc Force & Hot Start: Features “Hot Start” for effortless arc ignition and “Arc Force” to prevent the electrode from sticking when welding at close range or on uneven surfaces.
- Digital Amperage Control: Equipped with a precise digital display, allowing for granular adjustments to the welding current to suit specific material thicknesses and electrode types.
- High Duty Cycle: Designed for prolonged use in industrial environments with an efficient internal cooling system and thermal overload protection.
- VRD Safety Feature: Includes a Voltage Reduction Device (VRD) to lower the open-circuit voltage when the machine is idling, meeting strict safety standards for mine sites and damp environments.
Technical Specifications:
- Input Voltage: 230V ± 10% (Single Phase).
- Amperage Range: 20A – 250A (Adjustable).
- Duty Cycle: 60% at 250A (at 40°C).
- Electrode Capacity: Optimized for 2.5mm, 3.2mm, 4.0mm, and 5.0mm electrodes (E6013, E7018, and Stainless Steel).
- Protection Class: IP21S (Industrial Grade).
- Included Accessories: Heavy-duty Earth Clamp, Electrode Holder, and extra-long welding cables.
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