product detail
Key Features of the ZX7 Series IGBT Inverter DC MMA/TIG Welding Machine
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Smart Efficiency
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Soft-switch technology ensures high efficiency and ultra-low power consumption, slashing operational costs.
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Auto-protection against overcurrent, overheating, and voltage fluctuations (±20% tolerance) for reliable MMA/TIG welding.
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Flawless Welding Quality
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Stable arc ignition and quiet molten pool deliver smoother, stronger welds with precision seam control.
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Touchable TIG arc ignition simplifies operation, even for beginners.
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Advanced User Control
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Digital display for real-time monitoring of MMA/TIG welding current/voltage.
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Pre-set welding currents and adjustable arc-ignition/pushing currents prevent electrode sticking and optimize arc force.
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Unmatched Versatility
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Compatible with all electrodes up to Ф5.0mm for multi-industry applications (construction, repair, fabrication).
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Optional distance-control box for simplified operation in complex scenarios.
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Rugged & Portable Design
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Compact size and lightweight build (30-45kg) with handles for easy job-site mobility.
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IP21-rated casing withstands dust, drops, and harsh environments.
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Why Choose the ZX7 Series IGBT Inverter DC MMA/TIG Welding Machine?
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✅ Future-proof investment: Industry-leading 83%+ efficiency reduces energy waste.
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✅ All-in-one solution: Perfect for MMA (stick) welding and TIG welding tasks.
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✅ Built to last: F-class insulation and 3-phase 380V compatibility ensure durability.
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✅ Plug-and-work flexibility: Pre-configured input cables and air switches for quick setup.
Upgrade to the ZX7 Series IGBT Inverter DC MMA/TIG Welding Machine – where power, precision, and portability meet unbeatable job-site performance!
Main parameters
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Model Contents |
ZX7-315 |
ZX7-400 |
ZX7-500 |
ZX7-630 |
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Power |
3-phase 380V/415V 50Hz |
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Rated input power |
12.2KVA |
17.3KVA |
23.7KVA |
35.5 KVA |
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Rated input current |
18.6A |
26.3A |
36A |
54A |
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Rated MMA/TIG welding current/voltage |
315A/32.6V |
400A/36V |
500A/40V |
630A/44V |
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MMA/TIG Welding current |
315A 60%DE |
400A 60%DE |
500A 60%DE |
630A 60%DE |
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250A 100%DE |
315A 100%DE |
400A 100%DE |
400A 100%DE |
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No-load voltage |
70-80V |
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Adjust. range of current |
20-315A |
20-400A |
20-500A |
20-630A |
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Efficiency |
≥83% |
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Dimensions (mm) |
500×204×400 |
590×306×510 |
640×326×560 |
640×326×560 |
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Weight |
30Kg |
35Kg |
40Kg |
45Kg |
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Air switch |
32A |
32A |
40A |
40A |
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Input cable (mm2) |
3×4+1×2.5 |
3×4+1×2.5 |
3×6+1×4 |
3×6+1×4 |
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Raising means |
Handle |
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Insulation class |
F |
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Protection class |
IP21S |
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External feature |
Fall |
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