XLNT MMA250GS 250A MMA Inverter Welding Machine
The XLNT MMA250GS is a compact and portable MMA inverter welding machine designed for repair welding, metal fabrication, maintenance work and regular workshop applications.
The product is marketed as a 250A model, while the supplied technical specification lists an adjustable output-current range of 30-200A. The machine operates on a 220V ±15% electrical supply and supports a 50/60Hz frequency.
The package includes a 3-metre earth-clamp cable and a 3-metre electrode-holder cable, providing useful working reach for workshop and fabrication applications.
30-200A Adjustable Welding Output
The XLNT MMA250GS provides a listed adjustable output-current range of 30-200A. This allows the operator to select a suitable welding current according to the electrode, metal thickness, joint type and welding application.
The correct welding-current setting depends on:
- Electrode diameter
- Electrode type
- Base-metal thickness
- Joint design
- Welding position
- Material condition
- Electrical-supply stability
The supported electrode sizes are not currently published and should be confirmed before adding an electrode-selection chart.
220V ±15% Electrical Input
The welding machine operates on a listed input voltage of 220V ±15% and supports a frequency of 50/60Hz.
Its rated input current is listed as 33A. Use a suitable electrical socket, plug, circuit breaker and extension cable capable of safely handling the machine's electrical requirements.
Avoid using a thin or undersized extension cable because voltage drop may reduce welding performance and cause excessive cable heating.
Listed 60% Duty Cycle
The XLNT MMA250GS has a listed duty cycle of 60%.
Duty cycle indicates how long a welding machine may operate within a specified test period before requiring cooling.
The available specification does not state:
- The welding current at which 60% was measured
- The test temperature
- The applicable technical standard
- The required cooling period
Therefore, publish it as:
Listed Duty Cycle: 60%
Do not claim 200A or 250A at 60% duty cycle unless officially confirmed.
Listed 80% Efficiency
The welding machine has a listed efficiency of 80% and a power factor of 0.73.
These values should remain in the technical specification section. Avoid comparing efficiency directly with other welding machines unless the models were tested under the same standard and conditions.
59V No-Load Voltage
The XLNT MMA250GS has a listed no-load voltage of 59V.
The rated output voltage is listed as 28V, while the no-load power loss is listed as 40W.
No-load voltage is present when the welding machine is switched on but welding is not taking place. Never touch live terminals or exposed conductive welding parts while the machine is connected to power.
Compact and Portable Welding Machine
The machine has a listed net weight of 5.28kg and dimensions of 375x155x232 mm.
Its integrated carrying handle and compact construction support easier movement between workshops, repair locations and fabrication areas.
IP21 Housing Protection
The XLNT MMA250GS has a listed IP21 housing-protection rating.
IP21 does not mean that the machine is waterproof. Keep the welding machine protected from:
- Rain
- Standing water
- Direct water spray
- Wet flooring
- Excessive dust
- Conductive metal particles
- Damp storage areas
Maintain sufficient ventilation around the machine during operation.
Class F Insulation
The welding machine has a listed insulation grade of F.
This specification should remain in the technical table, but it should not be used to claim a particular maximum operating temperature without manufacturer documentation.
Suitable for Repair Welding
The XLNT MMA250GS can be used for suitable repair and maintenance welding applications.
Actual suitability depends on:
- Material thickness
- Electrode type
- Electrode diameter
- Welding-current setting
- Electrical supply
- Duty-cycle limitations
Suitable for Fabrication Work
The adjustable output range makes the machine relevant for compatible metal-fabrication work, general workshop welding and maintenance applications.
Suitable for Workshop Welding
The machine is suitable for home users, repair workshops, maintenance teams and fabricators requiring a compact inverter welding machine for regular welding tasks.
Users should monitor the machine’s temperature and follow the listed duty-cycle limitation.
3m Earth-Clamp Cable Included
The package includes an earth clamp with a 3-metre cable.
Connect the earth clamp to clean, bare metal close to the welding area. Paint, rust, grease or contamination may result in a weak electrical connection and unstable welding performance.
3m Electrode-Holder Cable Included
The machine also includes an electrode holder with a 3-metre cable.
Inspect the electrode holder, cable insulation, terminals and connectors before every use. Do not operate the machine if the cable is cut, melted, exposed or damaged.
How to Use
- Place the welding machine on a stable and dry surface.
- Make sure the machine is switched off and disconnected from power.
- Inspect the power cable, earth clamp, electrode holder and welding cables.
- Connect the earth clamp securely to clean, bare metal.
- Insert a compatible electrode into the electrode holder.
- Connect the machine to a suitable 220V electrical supply.
- Select the required welding-current setting.
- Wear approved welding safety equipment.
- Begin welding using a suitable electrode angle and arc length.
- Monitor the machine temperature and duty-cycle limitation.
- Allow the machine to cool whenever required.
- Switch off and disconnect the machine after use.
Safety Instructions
- Wear an approved welding helmet with the correct shade.
- Wear flame-resistant gloves and protective clothing.
- Use protective safety footwear.
- Ensure adequate ventilation or welding-fume extraction.
- Remove flammable materials from the welding area.
- Never weld sealed tanks or pressurised containers.
- Inspect electrical and welding cables before every use.
- Use a properly earthed electrical supply.
- Keep the welding machine dry.
- Never touch exposed live terminals.
- Protect nearby people from welding-arc exposure.
- Keep ventilation openings clean and unobstructed.
- Follow the listed duty-cycle limitation.
- Disconnect the machine before inspection or servicing.
- Internal repairs should be performed by qualified technicians.
Maintenance Instructions
- Keep the welding-machine body clean and dry.
- Remove dust from ventilation openings regularly.
- Inspect the power cable and plug before operation.
- Check the earth clamp and electrode holder for damage.
- Inspect welding-terminal connections regularly.
- Do not wash or submerge the machine.
- Store the welder in a clean and dry location.
- Arrange periodic servicing based on usage conditions.
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