ALPHA MMA-458K 200A/250A IGBT Inverter Manual Arc | RFQ Sourcing Details
Arc Welding Machines · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
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Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Arc Welding Machines. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
The ALPHA MMA-458K is a portable DC manual metal arc (MMA/stick) welding machine based on IGBT inverter technology. It is listed for AC 220V or 380V input at 50/60. Hz, with rated input capacity stated as 8.8kVA for either input configuration.
The supplied data identifies 200A/28V and 250A/30V operating points, a 40% duty cycle, 80% efficiency, Class F insulation, and an IP21S enclosure rating. The welder is described as suitable for 2.5–4.0 mm welding electrodes, including acid, alkaline, and stainless-steel electrodes.
Hot-start and arc-force functions are provided to assist electrode ignition and arc stability. Built-in under-voltage, over-current, and over-temperature protection functions are also stated.
The machine is air cooled and may be operated from a generator when the generator is adequa use cases include hardware processing, decoration and renovation work, outdoor installation, and construction projects.
The also states a three-proof design intended to resist dust, water, and corrosion;buyers should request the exact test standard and environmental limitations because the separa he required unit is the 220V or 380V version, whether 200A and 250A represent separate configurations or operating settings, and obtain a corrected rated-output specification because the supplied rated-output line is unclear.
Buyers should also confirm duty-cycle test conditions, generator capacity requirements, included accessories, plug and cable configuration, electrode range for the selected version, and the exact scope of customization.
Packaging data should be reconfirmed because the listed shipping package dimensions and gross weight do not align with the stated machine dimensions and net weight. If warranty coverage or certification is required, obtain documentation applicable to the exact model and destination market before purchase.
ALPHA | Applications and Buyer Notes
ALPHA is organized as a sourcing-ready Arc Welding Machines reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time questi
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Arc Welding MachinesBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Model
- MMA-458KBased on visible page data; confirm exact value in the RFQ.
- Weight
- 7.0 kgBased on visible page data; confirm exact value in the RFQ.
- Cooling
- Air c ingBased on visible page data; confirm exact value in the RFQ.
- Dimensions
- 38 × 22 × 33 cmBased on visible page data; confirm exact value in the RFQ.
- Duty cycle
- 40%Based on visible page data; confirm exact value in the RFQ.
- Efficiency
- 80%Based on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
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Key specifications
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