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DIGI-TIG 250ACDC 250A Digital IGBT AC/DC Pulse TIG and MMA Welding Machine
Arc Welding Machines

DIGI-TIG 250ACDC 250A Digital IGBT AC/DC Pulse TI | RFQ Sourcing Details

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Product specs

CategoryArc Welding Machines
Unitset
ModelDIGI-TIG 250ACDC
StylePortable IEEE 802.11a/b/g/n/ac/ax Wi-Fi 6E tri-band
CoolingAir c ed
AC balance10%–90%
Pulse width0.1–0.9
AC frequency25–250 Hz
CategoryArc Welding Machines
AvailabilityInquiry required
Source date2026-07-21

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 DIGI-TIG 250ACDC is a portable, air-cooled IGBT inverter welding machine for AC/DC pulse TIG and DC MMA welding. Its TIG output range is 5–250 A, while the MMA range is 5–200 A.

The unit operates from a single-phase 230 V, 50/60 Hz input and has a stated input power capacity of 9.2 kVA, an 80 V no-load voltage, and a 60% rated duty cycle.

Digital controls provide adjustable pulse frequency from 0.5 to 250 Hz, pulse width from 0.1 to 0.9, AC frequency from 25 to 250 Hz, AC balance from 10% to 90%, gas post-flow from 0 to 25 seconds, and up/down slope time from 0 to 10 seconds. TIG starting supports both lift and high-frequency modes.

Additional controls include 2T/4T operation, AC/DC mixed pulsed TIG, advanced square-wave AC TIG, and ten selectable memories. MMA functions include hot arc start, arc force, and anti-stick. A 32-bit MCU is specified for the control system. The machine measures 560 × 240 × 460 mm and has a stated net weight of 28 kg.

Standard accessories are a 4 m TIG torch, an earth-clamp cable with a 300 A clamp, a welding cable with a 300 A electrode holder, and a 2 m gas hose. Listed optional accessories include an amperage-control TIG torch, foot pedal, regulator, and water cooler.

VRD for MMA and PFC are also identified as options rather than standard features.

Before purchasing, buyers should confirm the required welding process and workpiece suitability, including the intended aluminum jobs;the exact standard and optional accessory configuration;plug and input-power requirements;cooling needs;control-interface compatibility;and whether VRD or PFC must be fitted.

Buyers should also verify the applicable duty-cycle test conditions, package contents, final configured weight, color or other requested customization, documentation, service arrangements, and the stated one-year warranty terms.

DIGI-TIG | Applications and Buyer Notes

DIGI-TIG 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 que

Applications

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  • 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
DIGI-TIG 250ACDCBased on visible page data; confirm exact value in the RFQ.
Style
Portable IEEE 802.11a/b/g/n/ac/ax Wi-Fi 6E tri-bandBased on visible page data; confirm exact value in the RFQ.
Cooling
Air c edBased on visible page data; confirm exact value in the RFQ.
AC balance
10%–90%Based on visible page data; confirm exact value in the RFQ.
Pulse width
0.1–0.9Based on visible page data; confirm exact value in the RFQ.
AC frequency
25–250 HzBased 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.

Source mix: ugc

Key specifications

CategoryArc Welding Machines
Unitset
ModelDIGI-TIG 250ACDC
StylePortable IEEE 802.11a/b/g/n/ac/ax Wi-Fi 6E tri-band
CoolingAir c ed
AC balance10%–90%
Pulse width0.1–0.9
AC frequency25–250 Hz
TIG startingLift and high frequency
Input voltage1 × 230 V, 50/60 Hz
No-load voltage80 V
Operating modes2T/4T
Pulse frequency0.5–250 Hz
Rated duty cycle60%
MMA current range5–200 A
TIG current range5–250 A
Welding processesAC/DC pulse TIG and DC MMA
Gas post-flow time0–25 s
Up/down slope time0–10 s
Input power capacity9.2 kVA

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