Is WELSTAR TIG+MMA WS 400A 380V 3P 50Hz Inverter Welding Machine genuine with official warranty in Bangladesh?

Yes, Industrial 3D Solution is the authorized technology distributor and premier supplier in Bangladesh. This item is 100% brand new, authentic, and supported by official manufacturer warranty and expert local technical service in Dhaka.

What is the delivery timeline across Dhaka and all 64 districts in Bangladesh?

Inside Dhaka, express delivery is completed within 24 to 48 hours. Outside Dhaka, delivery takes 2 to 3 days across all 64 districts with verified courier tracking and secure packaging.

Is Cash on Delivery (COD) and corporate VAT invoice supported for this product in Bangladesh?

Yes, Cash on Delivery is available along with digital payments (bKash, Nagad, Visa, MasterCard). Official Mushak 6.3 VAT tax invoices are provided for corporate, institutional, and tender procurement.

সম্মানিত গ্রাহক, বাজার পরিস্থিতির ওপর ভিত্তি করে আমাদের পণ্যের মূল্য পরিবর্তিত হতে পারে। আপনার নির্বাচিত অর্ডারের সাথে নির্ধারিত ডেলিভারি চার্জ যুক্ত করা হবে। • সম্মানিত গ্রাহক, বাজার পরিস্থিতির ওপর ভিত্তি করে আমাদের পণ্যের মূল্য পরিবর্তিত হতে পারে। আপনার নির্বাচিত অর্ডারের সাথে নির্ধারিত ডেলিভারি চার্জ যুক্ত করা হবে। • সম্মানিত গ্রাহক, বাজার পরিস্থিতির ওপর ভিত্তি করে আমাদের পণ্যের মূল্য পরিবর্তিত হতে পারে। আপনার নির্বাচিত অর্ডারের সাথে নির্ধারিত ডেলিভারি চার্জ যুক্ত করা হবে।

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WELSTAR TIG+MMA WS 400A 380V 3P 50Hz Inverter Welding Machine

WELSTAR TIG+MMA WS 400A 380V 3P 50Hz Inverter Welding Machine

Name: WELSTAR TIG+MMA WS 400A 380V 3P 50Hz Inverter Welding Machine
Brand: Welstar
SKU: IDS-PROD-1258
Price: 58000.00 BDT
Availability: InStock

(0 reviews) Welstar SKU: 50 In stock

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৳58,000.00 /kg

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Description Technical Specifications Q&A / FAQ reviews (0)

WELSTAR TIG+MMA WS 400A 380V 3P 50Hz Inverter Welding Machine
Industrial-Grade Dual Process Welder for Precision and Heavy-Duty Applications

? Technical Specifications

Model: WELSTAR WS-400
Welding Processes:
✅ TIG (DC) - For precision welding (stainless/aluminum)
✅ MMA (Stick) - For heavy-duty welding (up to 12mm electrodes)
Input Voltage: 380V AC (±15%) 3-Phase
Rated Input Current: 28A
Output Current Range:
- TIG: 20-400A
- MMA: 30-400A
Duty Cycle:
- 60% @ 400A
- 100% @ 350A
Open Circuit Voltage: 80V
Efficiency: 88% (IGBT Inverter Technology)
Protection Class: IP23S (Dust/Splash Resistant)
Dimensions: 600×340×540mm | Weight: 42kg

⚡ Key Features

1. Dual Process Versatility

TIG Mode:
- HF (High Frequency) arc start for clean aluminum/stainless welds
- Gas pre/post flow timer (adjustable)
- 2T/4T trigger control
MMA Mode:
- Hot Start & Arc Force control
- Anti-Stick technology

2. Industrial 400A Power

Handles 6.0mm MMA electrodes (for 20mm+ steel)
TIG welds 1-12mm aluminum/stainless with precision

3. Advanced IGBT Inverter

40% energy savings vs transformer welders
Stable arc in 310-440V voltage range

4. Professional Controls

Digital amp/voltage display
Pulse welding function (TIG)
Memory presets for repeat jobs

5. Rugged Construction

Military-grade aluminum alloy housing
Dual turbo fans with overheat protection
Copper+Aluminum windings for maximum durability

? Applications

✔ Aerospace components (thin aluminum TIG)
✔ Pressure vessel fabrication
✔ Structural steel welding
✔ Shipbuilding & offshore rigs
✔ Automotive aluminum repairs

? Package Includes

1× WS-400 Main Unit
1× TIG Torch (400A, 4m)
1× MMA Electrode Holder (500A, 5m)
1× Ground Clamp (500A, 5m)
1× Foot Pedal (TIG amp control)
Gas Hose & Regulator
User Manual

?️ Safety & Compliance

CE, IEC 60974-1 Certified
1-Year Warranty (2 years on inverter board)

? Why Choose This Machine?

▶ True 400A Output - No fake ratings (tests at 430A peak)
▶ 3-Phase Stability - No power fluctuations during long beads
▶ Aluminum-Ready - HF start eliminates contamination
▶ Dual Cooling System - 50°C ambient temperature operation

⚠️ Note: Requires 3-Phase 380V + Argon Gas (for TIG)

Ideal for:

Metal fabrication shops
Pipeline welding crews
Automotive racing teams
Shipyard contractors

Available Options:

Water-cooled TIG torch kit
Spare parts package
Industrial welding trolley

Technical Specifications

Official specifications for WELSTAR TIG+MMA WS 400A 380V 3P 50Hz Inverter Welding Machine.

Specification	Details
Product Name	WELSTAR TIG+MMA WS 400A 380V 3P 50Hz Inverter Welding Machine
Brand / Manufacturer	Welstar
Category	Welding Machines
Unit	kg
Power Compatibility	220V AC, 50Hz (Standard Bangladesh Grid Compatible)
Warranty & Service	Official Warranty & Technical Support at Industrial 3D Solution, Dhaka
Delivery Coverage	Fast Delivery inside Dhaka & Nationwide Courier to all 64 Districts

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WELSTAR TIG+MMA WS 400A 380V 3P 50Hz Inverter Welding Machine

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