Shiva 250 AMP TIG / MMA Inverter Welding Machine | High-Frequency Non-Contact Arc Welder with Argon Gas Post-Flow Control & Precision Current Adjustment
| Specification | Parameter |
| Brand | Shiva |
| Series | TIG Welding Machine Series |
| Product Type | Inverter TIG (GTAW) & MMA / Stick Welding Machine |
| Model Variant | 250 AMP Configuration |
| Welding Processes | High-Frequency (HF) TIG & Manual Metal Arc (MMA) |
| Inverter Technology | Advanced MOSFET / IGBT Solid-State Architecture |
| Shielding Gas Type | Argon (99.99% Purity) |
| Input Power Supply | Single Phase (220V–240V AC) or Three-Phase (380V / 415V AC) Options |
| Rated Input Power | ~7.5 kVA to 9.0 kVA |
| Output Current Range | 10A – 250A (Precision Adjustable) |
| Duty Cycle | 60% at 250A (~100% Continuous at ~190A) |
| No-Load Voltage | ~56V to 68V DC |
| Post-Flow Gas Timer | Adjustable from 1 to 10 Seconds |
| Compatible Rod / Electrode | Tungsten Electrode: 1.6 mm – 3.2 mm | MMA Rod: 1.6 mm – 4.0 mm |
| Insulation & Protection | Class F Insulation | IP21S / IP23 Protection Grade |
| Safety Features | Thermal Overload, Over/Under-Voltage Protection & HF Start Safety |
| Best Used For | Stainless Steel Fabrication, Pipeline Welding, Food-Grade Machinery & Architectural Metal across Nepal |
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High-Frequency (HF) Non-Contact Arc Ignition: Eliminates scratch starts and prevents tungsten electrode contamination, ensuring clean, flawless arc strikes on delicate and thin-gauge metals.
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Precision 10A–250A Output Control: Features fine current adjustability with a 60% duty cycle at 250A maximum output and 100% continuous duty around 190A for structural and fine jointing tasks.
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Integrated Gas Post-Flow Management: Offers adjustable post-flow gas timing (1 to 10 seconds) to shield the molten puddle and cool the tungsten tip, eliminating joint oxidation.
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Dual-Process TIG & MMA Capability: Seamlessly switches between high-precision argon TIG welding and heavy-duty stick (MMA) welding to tackle varied workshop and field maintenance jobs.
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Rugged Solid-State Inverter Architecture: Built with advanced MOSFET/IGBT circuitry, forced fan cooling, Class F insulation, and full thermal/voltage protection across Nepal.
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