{"product_id":"kemppi-x3s-power-source-syn-420-g","title":"KEMPPI X3S POWER SOURCE SYN 420 G","description":"\r\n\u003cdiv\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv\u003e\r\n\u003cdiv tabindex=\"0\"\u003e\r\n\u003cdiv\u003e\r\n\u003ch4\u003e\u003cstrong\u003eKemppi X3S Power Source Syn 420 G — Industrial Synergic MIG\/MAG Power Source (420 A)\u003c\/strong\u003e\u003c\/h4\u003e\r\n\u003cp\u003eThe Kemppi X3S Power Source Syn 420 G is an industrial synergic MIG\/MAG power source delivering 420 A at 60% duty cycle and 350 A continuous from a 400 V 3-phase supply. Includes 45 factory-installed welding programs, 1-MIG synergic, Manual MIG, MMA, and gouging. Generator-compatible. Part of the X3 FastMig system.\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat Is the Kemppi X3S Power Source Syn 420 G?\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe \u003cstrong\u003eKemppi X3S Power Source Syn 420 G\u003c\/strong\u003e is the highest-output synergic model in the X3 FastMig family, delivering \u003cstrong\u003e420 A at a 60% duty cycle\u003c\/strong\u003e and \u003cstrong\u003e350 A at 100% continuous duty\u003c\/strong\u003e from a standard \u003cstrong\u003e3-phase 380–415 V power supply\u003c\/strong\u003e. It is the single-voltage, fixed-installation power source in the X3S range — built for heavy industrial fabrication environments where maximum synergic MIG\/MAG output on a standard 400 V supply is the priority.\u003c\/p\u003e\r\n\u003cp\u003eThe \u003cstrong\u003eG\u003c\/strong\u003e designation confirms \u003cstrong\u003egenerator compatibility\u003c\/strong\u003e, with a recommended minimum generator output of \u003cstrong\u003e25 kVA\u003c\/strong\u003e — extending the machine's reach to construction sites, maintenance shutdowns, and remote operations where 3-phase mains infrastructure is unavailable.\u003c\/p\u003e\r\n\u003cp\u003eThe X3S Power Source Syn 420 G is a \u003cstrong\u003epower source only\u003c\/strong\u003e — it pairs with the \u003cstrong\u003eX3 HD200 or X3 HD300 wire feeder\u003c\/strong\u003e to form a complete X3 FastMig MIG\/MAG welding system. The control panel, DuraTorque 4x4 wire drive, and program interface are housed in the wire feeder, making the power source the dedicated energy platform of the system.\u003c\/p\u003e\r\n\u003cp\u003eSupporting four welding processes — \u003cstrong\u003e1-MIG (synergic), Manual MIG\/MAG, MMA (stick), and carbon arc gouging\u003c\/strong\u003e — and arriving with \u003cstrong\u003e45 factory-installed welding programs\u003c\/strong\u003e covering the most common industrial filler materials, the X3S 420 G is ready for production welding from the moment it is commissioned.\u003c\/p\u003e\r\n\u003cp\u003eDesigned and manufactured in Finland. Compliant with IEC 60974-1 and -10.\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eKey Features of the Kemppi X3S Power Source Syn 420 G\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e420 A at 60% Duty Cycle — Maximum Synergic Output in the X3S Range\u003c\/p\u003e\r\n\u003cp\u003eThe X3S Power Source Syn 420 G delivers \u003cstrong\u003e420 A MIG output at a 60% duty cycle\u003c\/strong\u003e — the highest output in the X3S synergic series. At 100% continuous duty, it sustains \u003cstrong\u003e350 A\u003c\/strong\u003e, making it genuinely capable of extended production welding runs without thermal interruption. For MMA welding, maximum output is \u003cstrong\u003e400 A at 60% duty cycle\u003c\/strong\u003e and \u003cstrong\u003e330 A continuous\u003c\/strong\u003e. This output headroom supports the most demanding heavy fabrication, structural steel, and large-section weld applications encountered in industrial MIG\/MAG welding.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003e45 Factory-Installed Welding Programs — Production-Ready From Day One\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe X3S 420 G ships with \u003cstrong\u003e45 factory-installed 1-MIG welding programs\u003c\/strong\u003e that are immediately usable straight out of the box — no additional program purchases, no software configuration, and no commissioning delay. Programs cover the full range of common industrial filler materials and diameters:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eFe\u003c\/strong\u003e — mild steel solid wire, 0.8–1.6 mm\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eSs\u003c\/strong\u003e — stainless steel solid wire, 0.8–1.6 mm\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eAlSi5\u003c\/strong\u003e — aluminium alloy wire, 0.8–1.6 mm\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eAlMg5\u003c\/strong\u003e — aluminium alloy wire, 0.8–1.6 mm\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eFe Metal\u003c\/strong\u003e — metal-cored wire, 0.9–2.0 mm\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eFe Rutil\u003c\/strong\u003e — rutile flux-cored wire, 0.9–1.6 mm\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eFC-CrNiMo\u003c\/strong\u003e — flux-cored CrNiMo wire, 1.2–1.6 mm\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCuSi3\u003c\/strong\u003e — silicon bronze wire, 0.8–1.2 mm\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eWith 45 programs across these materials, the vast majority of professional heavy fabrication welding applications are covered before the first arc is struck.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003e1-MIG Synergic Welding — Automated Parameter Control\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eIn \u003cstrong\u003e1-MIG (synergic) mode\u003c\/strong\u003e, the X3S 420 G automatically coordinates welding voltage and wire feed speed from a single arc length control input. The operator selects the filler material, wire diameter, and shielding gas from the pre-installed program library — and the machine maintains the correct parameter relationship automatically throughout the weld. This eliminates the need to manually balance two independent variables, reducing setup errors, improving arc consistency, and delivering repeatable weld quality across different operators and shifts. For industrial environments where consistent quality on high-volume or long-seam welding is essential, 1-MIG synergic is a direct productivity multiplier.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eIcon-Based User Interface — Fast Setup, No Language Barriers\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe X3 FastMig system's \u003cstrong\u003enon-language icon-based control interface\u003c\/strong\u003e — located on the paired X3 wire feeder control panel — provides immediate, intuitive process, program, and parameter selection without requiring language-specific menu navigation. Any operator can set up and begin welding quickly, regardless of experience level or native language. In multi-national workforces, apprentice-heavy environments, and high-turnover industrial operations, this interface design directly reduces setup errors and training requirements.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eDual Operating Mode — AUTO and MANUAL\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe X3S 420 G system supports two operating modes via the wire feeder panel:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eAUTO mode\u003c\/strong\u003e — synergic 1-MIG, where the machine manages voltage and wire feed speed from a single arc length parameter, using the pre-installed program library\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMANUAL mode\u003c\/strong\u003e — full independent control over voltage and wire feed speed for experienced welders who prefer to set parameters directly\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eThe ability to switch seamlessly between AUTO and MANUAL modes makes the X3S 420 G equally suitable for operators who prefer guided synergic control and those who prefer full manual input.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWelding Cable Calibration Without Sensing Cable\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe X3S 420 G supports \u003cstrong\u003ewelding cable calibration without a separate voltage sensing cable\u003c\/strong\u003e — measuring circuit resistance internally to ensure the displayed arc voltage accurately matches actual voltage at the arc. This is a significant practical advantage in industrial environments where interconnection cable lengths change regularly between jobs or sites, and where accurate arc voltage is critical to maintaining weld quality and meeting WPS requirements.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eGenerator Compatible — Industrial MIG\/MAG Anywhere\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe G designation confirms the X3S 420 G is rated for generator operation. With a \u003cstrong\u003erecommended minimum generator power of 25 kVA\u003c\/strong\u003e, it delivers full 420 A synergic MIG\/MAG output from a site generator — making it practical for construction sites, major maintenance shutdowns, remote infrastructure projects, and any environment where 3-phase mains is not permanently available.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eMarathon Pack Compatible\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eWhen paired with the \u003cstrong\u003eX3 HD300 wire feeder\u003c\/strong\u003e, the X3S 420 G system supports \u003cstrong\u003emarathon pack (bulk drum) wire configurations\u003c\/strong\u003e, enabling uninterrupted high-volume welding production without frequent spool changeovers. This is a material efficiency and productivity gain on high-throughput production lines, long-seam fabrication, and any application where large wire volumes are consumed in a single shift.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eSafe Crane Lift from Wire Feeder Handle\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eWhen configured with the \u003cstrong\u003eX3 HD300 wire feeder\u003c\/strong\u003e, the complete wire feeder assembly — including welding torch, wire spool, and full cable set — can be \u003cstrong\u003esafely lifted and suspended by crane from the feeder handle\u003c\/strong\u003e. Water hoses and cable connectors are positioned outside the feeder casing for fast torch package swapping and service access. This crane-lift capability is essential for shipyard, heavy structural, and elevated work applications.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eRotating Mounting Plate\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe X3 HD300 wire feeder attaches to the X3 power source via a \u003cstrong\u003erotating mounting plate\u003c\/strong\u003e, allowing the feeder to be independently positioned and turned relative to the power source — improving cable routing flexibility and ergonomic positioning across different welding cell configurations.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eCAN Bus Communication — System Integration Ready\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe X3S 420 G uses \u003cstrong\u003eCAN bus wired communication\u003c\/strong\u003e between the power source and wire feeder, providing robust, high-integrity data transfer throughout the X3 FastMig system and supporting integration with optional remote controls and automated welding system configurations.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eOptional Remote Controls\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe X3S 420 G system supports the optional \u003cstrong\u003eHR53 wireless hand remote\u003c\/strong\u003e (with display) and \u003cstrong\u003eGRe50 on-torch remote\u003c\/strong\u003e, enabling welding current and program adjustment from the torch position without returning to the wire feeder. This is a practical productivity tool for large fabrication bays, long torch cable setups, and positional welding applications.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eHigh Efficiency — 89%\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe X3S 420 G achieves \u003cstrong\u003e89% power efficiency\u003c\/strong\u003e at rated maximum current — among the highest in its output class. Combined with an idle state power consumption of just \u003cstrong\u003e15 W\u003c\/strong\u003e, this efficiency rating directly reduces electrical operating costs in high-volume production environments where machines run for extended shifts.\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch4\u003e\u003cstrong\u003eWho Is the Kemppi X3S Power Source Syn 420 G For?\u003c\/strong\u003e\u003c\/h4\u003e\r\n\u003cp\u003eThe X3S Power Source Syn 420 G is designed for:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eHeavy fabrication and structural steel workshops\u003c\/strong\u003e requiring maximum synergic MIG\/MAG output on a fixed 400 V 3-phase supply, where pulse MIG is not required\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eShipyards and offshore fabricators\u003c\/strong\u003e running 1-MIG synergic on steel, stainless steel, and aluminium with marathon pack capability and crane-lift wire feeder configurations\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eProduction welding lines\u003c\/strong\u003e where 420 A output at 60% duty cycle supports high-deposition, long-seam, or thick-section welding without thermal interruption\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMining, civil, and infrastructure contractors\u003c\/strong\u003e needing maximum synergic output from a site generator for maintenance, shutdown, and construction welding\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eOperations standardising on a single high-output MIG platform\u003c\/strong\u003e across steel, stainless steel, aluminium, cored wire, and silicon bronze filler materials — all covered by 45 pre-installed programs\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMulti-operator workshops\u003c\/strong\u003e where the icon-based interface and 1-MIG AUTO mode reduce setup errors and skill barriers across different operators and shifts\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eKemppi X3S Power Source Syn 420 G — Technical Specifications\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003ctable\u003e\r\n\u003cthead\u003e\r\n\u003ctr\u003e\r\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\r\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/thead\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eProduct Code\u003c\/td\u003e\r\n\u003ctd\u003eX3S420G\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWelding Processes\u003c\/td\u003e\r\n\u003ctd\u003e1-MIG (Synergic), Manual MIG\/MAG, MMA (Stick), Carbon Arc Gouging\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePower Supply\u003c\/td\u003e\r\n\u003ctd\u003e3-phase, 380–415 V ±10%, 50\/60 Hz\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMains Connection Cable\u003c\/td\u003e\r\n\u003ctd\u003eH07RN-F, 4 mm²\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMains Fuse\u003c\/td\u003e\r\n\u003ctd\u003e25 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eRated Max Input Power\u003c\/td\u003e\r\n\u003ctd\u003e20 kVA\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eIdle Power Consumption\u003c\/td\u003e\r\n\u003ctd\u003e15 W\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eNo-Load Voltage\u003c\/td\u003e\r\n\u003ctd\u003e54–59 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOpen Circuit Voltage\u003c\/td\u003e\r\n\u003ctd\u003e54–59 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eEffective Supply Current\u003c\/td\u003e\r\n\u003ctd\u003e23–21 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMaximum Supply Current\u003c\/td\u003e\r\n\u003ctd\u003e29–27 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOutput at 60% Duty Cycle — MIG\u003c\/td\u003e\r\n\u003ctd\u003e420 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOutput at 100% Duty Cycle — MIG\u003c\/td\u003e\r\n\u003ctd\u003e350 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOutput at 60% Duty Cycle — MMA\u003c\/td\u003e\r\n\u003ctd\u003e400 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOutput at 100% Duty Cycle — MMA\u003c\/td\u003e\r\n\u003ctd\u003e330 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMIG Output Range\u003c\/td\u003e\r\n\u003ctd\u003e15 A \/ 12 V – 420 A \/ 40 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMMA Output Range\u003c\/td\u003e\r\n\u003ctd\u003e15 A \/ 10 V – 400 A \/ 41 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMIG Voltage Adjustment Range\u003c\/td\u003e\r\n\u003ctd\u003e8–45 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePower Factor (λ)\u003c\/td\u003e\r\n\u003ctd\u003e0.85\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eEfficiency (η)\u003c\/td\u003e\r\n\u003ctd\u003e89%\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eFactory-Installed Welding Programs\u003c\/td\u003e\r\n\u003ctd\u003e45\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eAuxiliary Device Supply Voltage\u003c\/td\u003e\r\n\u003ctd\u003e48 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWired Communication\u003c\/td\u003e\r\n\u003ctd\u003eCAN bus\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWireless Communication\u003c\/td\u003e\r\n\u003ctd\u003e—\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eRecommended Min Generator Power\u003c\/td\u003e\r\n\u003ctd\u003e25 kVA\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMin Short-Circuit Power of Supply\u003c\/td\u003e\r\n\u003ctd\u003e6 MVA\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\r\n\u003ctd\u003e698 × 251 × 361 mm\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWeight (without accessories)\u003c\/td\u003e\r\n\u003ctd\u003e35 kg\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eProtection Class\u003c\/td\u003e\r\n\u003ctd\u003eIP23\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\r\n\u003ctd\u003e-20°C to +40°C\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\r\n\u003ctd\u003e-40°C to +60°C\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eEMC Class\u003c\/td\u003e\r\n\u003ctd\u003eA\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eStandards\u003c\/td\u003e\r\n\u003ctd\u003eIEC 60974-1, -10\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWarranty\u003c\/td\u003e\r\n\u003ctd\u003e3 Years\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\r\n\u003ctd\u003eFinland\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/div\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eX3S 420 G vs X3P 450 G vs X3P 400 GM — Choosing the Right X3 FastMig Power Source\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003ctable\u003e\r\n\u003cthead\u003e\r\n\u003ctr\u003e\r\n\u003cth scope=\"col\"\u003eFeature\u003c\/th\u003e\r\n\u003cth scope=\"col\"\u003eX3S Syn 420 G\u003c\/th\u003e\r\n\u003cth scope=\"col\"\u003eX3P Pulse 450 G\u003c\/th\u003e\r\n\u003cth scope=\"col\"\u003eX3P Pulse 400 GM\u003c\/th\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/thead\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMax Output (60% DC)\u003c\/td\u003e\r\n\u003ctd\u003e420 A\u003c\/td\u003e\r\n\u003ctd\u003e450 A\u003c\/td\u003e\r\n\u003ctd\u003e400 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMax Output (100% DC)\u003c\/td\u003e\r\n\u003ctd\u003e350 A\u003c\/td\u003e\r\n\u003ctd\u003e380 A\u003c\/td\u003e\r\n\u003ctd\u003e—\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePower Supply\u003c\/td\u003e\r\n\u003ctd\u003e380–415 V (single)\u003c\/td\u003e\r\n\u003ctd\u003e380–415 V (single)\u003c\/td\u003e\r\n\u003ctd\u003e380–460 V + 220–230 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMulti-Voltage\u003c\/td\u003e\r\n\u003ctd\u003eNo\u003c\/td\u003e\r\n\u003ctd\u003eNo\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePulse MIG\/MAG\u003c\/td\u003e\r\n\u003ctd\u003eNo\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e1-MIG Synergic\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eManual MIG\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMMA\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eGouging\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eFactory Programs\u003c\/td\u003e\r\n\u003ctd\u003e45\u003c\/td\u003e\r\n\u003ctd\u003e71\u003c\/td\u003e\r\n\u003ctd\u003e71\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eGenerator Compatible\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003ctd\u003eYes\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWeight\u003c\/td\u003e\r\n\u003ctd\u003e35 kg\u003c\/td\u003e\r\n\u003ctd\u003e35 kg\u003c\/td\u003e\r\n\u003ctd\u003e35 kg\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eDimensions\u003c\/td\u003e\r\n\u003ctd\u003e698 × 251 × 361 mm\u003c\/td\u003e\r\n\u003ctd\u003e698 × 251 × 361 mm\u003c\/td\u003e\r\n\u003ctd\u003e698 × 251 × 361 mm\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eBest Suited For\u003c\/td\u003e\r\n\u003ctd\u003eMax synergic output, fixed 400V workshop\u003c\/td\u003e\r\n\u003ctd\u003eMax pulse output, fixed 400V workshop\u003c\/td\u003e\r\n\u003ctd\u003ePulse MIG, multi-voltage or international sites\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/div\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions — Kemppi X3S Power Source Syn 420 G\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat does X3S 420 G mean?\u003c\/strong\u003e X3S identifies this as the Synergic model in the X3 FastMig family — supporting 1-MIG synergic and Manual MIG\/MAG welding, MMA, and gouging, but not Pulse MIG. 420 is the maximum welding output in amps at 60% duty cycle. G indicates generator compatibility, with a recommended minimum generator output of 25 kVA.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eIs the X3S 420 G a complete welding system?\u003c\/strong\u003e No. The X3S 420 G is a power source only — it requires a paired \u003cstrong\u003eX3 HD200 or X3 HD300 wire feeder\u003c\/strong\u003e to form a complete X3 FastMig welding system. The wire feeder contains the control panel, DuraTorque 4x4 wire drive, and welding program interface. Power source and wire feeder are purchased and configured separately.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eDoes the X3S 420 G support pulse MIG welding?\u003c\/strong\u003e No. The X3S 420 G supports 1-MIG synergic welding, Manual MIG\/MAG, MMA, and carbon arc gouging. Pulse MIG\/MAG requires an X3P model — the X3P Power Source Pulse 450 G (single voltage, higher output) or the X3P Power Source Pulse 400 GM (multi-voltage, generator-compatible).\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat is the duty cycle of the X3S 420 G?\u003c\/strong\u003e The X3S 420 G delivers 420 A MIG at a 60% duty cycle and 350 A MIG at 100% continuous duty cycle. For MMA welding, it delivers 400 A at 60% duty cycle and 330 A at 100% continuous duty.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the X3S 420 G and the X3S 400 GM?\u003c\/strong\u003e The X3S 420 G delivers a higher maximum output of 420 A at 60% duty cycle, but accepts only standard 3-phase 380–415 V input and includes 45 pre-installed programs. The X3S 400 GM delivers 400 A at 60% duty cycle (380–460 V) or 400 A at 40% duty cycle (220–230 V) with multi-voltage flexibility, and includes 42 programs. The 420 G is preferred where maximum synergic output on a fixed standard supply is the priority; the 400 GM is preferred where multi-voltage or international operation is required.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the X3S 420 G and the X3P 450 G?\u003c\/strong\u003e The X3P 450 G delivers higher maximum output (450 A vs 420 A at 60% DC) and adds Pulse MIG\/MAG capability — increasing its program count from 45 to 71, as the additional programs cover both synergic and pulse processes. Both machines share the same physical dimensions (698 × 251 × 361 mm) and weight (35 kg). The X3S 420 G is the preferred choice where synergic MIG is sufficient and pulse capability is not required, offering a more cost-effective entry into high-output X3 FastMig performance.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat generator is needed to run the X3S 420 G?\u003c\/strong\u003e Kemppi recommends a minimum generator output of \u003cstrong\u003e25 kVA\u003c\/strong\u003e to power the X3S 420 G at full welding capacity.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat filler wire types does the X3S 420 G support?\u003c\/strong\u003e The X3S 420 G supports Fe (mild steel solid), Ss (stainless steel), AlSi5 and AlMg5 (aluminium), CuSi3 (silicon bronze), Fe Metal (metal-cored), Fe Rutil (rutile flux-cored), and FC-CrNiMo (flux-cored CrNiMo) wires from 0.8 mm to 2.0 mm diameter — all covered by the 45 factory-installed welding programs.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eCan the X3S 420 G be used with a marathon pack?\u003c\/strong\u003e Yes. When paired with the X3 HD300 wire feeder, the X3S 420 G supports marathon pack (bulk drum) wire configurations for continuous high-volume welding without frequent spool changeovers.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat remote controls are available for the X3S 420 G?\u003c\/strong\u003e The X3S 420 G system supports the optional \u003cstrong\u003eHR53 wireless hand remote\u003c\/strong\u003e (with display) and \u003cstrong\u003eGRe50 on-torch remote control\u003c\/strong\u003e for welding current and program adjustment from the torch position — eliminating the need to return to the wire feeder during welding.\u003c\/p\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e","brand":"Kemppi","offers":[{"title":"Default Title","offer_id":47874900459671,"sku":"X3S420G","price":4677.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0301\/8663\/5399\/files\/20006527.jpg?v=1780881897","url":"https:\/\/www.weldingsupply.com.au\/products\/kemppi-x3s-power-source-syn-420-g","provider":"QWS - Welding Supply Solutions","version":"1.0","type":"link"}