{"product_id":"kempact-251a-power-source","title":"KEMPACT 251A POWER SOURCE","description":"\u003ch4\u003e\u003cstrong\u003eKemppi Kempact 251A — Compact Single-Phase MIG\/MAG Welder (250 A)\u003c\/strong\u003e\u003c\/h4\u003e\r\n\u003cp\u003eThe Kemppi Kempact 251A is a compact single-phase MIG\/MAG welder delivering 250 A from a 240 V supply. Features an Adaptive control panel with synergic programs, plate thickness auto-set, GasMate™ chassis, and 10%+ energy savings. Ideal for workshops, vehicle repair, and thin sheet fabrication.\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat Is the Kemppi Kempact 251A?\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe \u003cstrong\u003eKemppi Kempact 251A\u003c\/strong\u003e is a compact \u003cstrong\u003esingle-phase MIG\/MAG welder\u003c\/strong\u003e delivering up to \u003cstrong\u003e250 A of welding output\u003c\/strong\u003e from a standard \u003cstrong\u003e1-phase 240 V power supply\u003c\/strong\u003e. Part of the Kempact RA series, the 251A features an \u003cstrong\u003eAdaptive (A) control panel\u003c\/strong\u003e that automatically sets welding parameters based on plate thickness — making it an ideal choice for workshops, tradespeople, and automotive professionals who need fast, accurate set-up without manual calculation.\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eKey Features of the Kemppi Kempact 251A\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eAdaptive (A) Control Panel\u003c\/strong\u003e The 251A's standout feature is its Adaptive control panel, which provides synergic welding programs for mild steel, silicon bronze, flux-cored wire, and metal-cored wire. Welders simply select the plate thickness, wire size, and gas type — and the machine automatically configures the optimal welding parameters. Four memory channels allow frequently used settings to be saved for instant recall.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eSynergic Programs for Multiple Wire Types\u003c\/strong\u003e Pre-loaded synergic programs cover a wide range of common filler materials including mild steel (Fe solid), silicon bronze, flux-cored (Fe cored), and aluminium — supporting versatile workshop and fabrication applications without manual program configuration.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eGasMate™ Chassis Design\u003c\/strong\u003e The floor-level gas cylinder loading design simplifies cylinder handling, transport, and storage, reducing the physical effort and safety risks associated with managing shielding gas in a workshop environment.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eBrights™ Cabinet Lighting\u003c\/strong\u003e Integrated cabinet lighting illuminates the wire loading area, enabling accurate wire threading even in dimly lit environments or after-hours workspaces.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWireLine™ Service Alert\u003c\/strong\u003e The WireLine™ indicator proactively alerts operators when wire-path maintenance is needed, supporting consistent wire feeding performance and reducing unplanned service interruptions.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eHotSpot™ Heat Treatment Function\u003c\/strong\u003e HotSpot™ offers four adjustable heat settings for localised metal shrinking, component heating, and releasing corroded fasteners. A carbon electrode attached to the FE welding gun activates a controlled surface heating circuit — purpose-built for vehicle repair and precision thin-sheet work.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eSingle-Phase Convenience\u003c\/strong\u003e Running on a standard 240 V single-phase supply, the 251A can be deployed in workshops, garages, and job sites without requiring 3-phase infrastructure — maximising flexibility and portability.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eEnergy Efficiency\u003c\/strong\u003e The 251A's modern inverter platform reduces energy costs by more than 10% compared to conventional step-controlled power sources, delivering cost savings across day-to-day welding operations.\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eWho Is the Kemppi Kempact 251A For?\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe Kempact 251A is designed for:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eAutomotive and vehicle repair workshops\u003c\/strong\u003e needing precise thin-sheet MIG\/MAG welding\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eLight fabrication and panel shops\u003c\/strong\u003e requiring versatile single-phase welding with adaptive set-up\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eTradespeople and contractors\u003c\/strong\u003e working from garages or sites with standard single-phase power\u003c\/li\u003e\r\n\u003cli\u003eWelders who prefer \u003cstrong\u003eguided, synergic set-up\u003c\/strong\u003e rather than fully manual parameter control\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMulti-material fabricators\u003c\/strong\u003e working across mild steel, stainless, silicon bronze, and aluminium\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cstrong\u003eKemppi Kempact 251A — 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\u003e6412510\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWelding Process\u003c\/td\u003e\r\n\u003ctd\u003eMIG\/MAG\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePower Supply\u003c\/td\u003e\r\n\u003ctd\u003e1-phase, 240 V ±15%, 50\/60 Hz\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eFuse (Delayed)\u003c\/td\u003e\r\n\u003ctd\u003e20 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOpen Circuit Voltage\u003c\/td\u003e\r\n\u003ctd\u003e36 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMax Output (35% Duty Cycle)\u003c\/td\u003e\r\n\u003ctd\u003e250 A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eControl Panel\u003c\/td\u003e\r\n\u003ctd\u003eAdaptive (A) — Synergic + Auto Plate Thickness\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMemory Channels\u003c\/td\u003e\r\n\u003ctd\u003e4\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWire Drive\u003c\/td\u003e\r\n\u003ctd\u003e2-Roll (GT02C)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWire Feed Speed\u003c\/td\u003e\r\n\u003ctd\u003e1.0–18.0 m\/min\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCompatible Filler Wires\u003c\/td\u003e\r\n\u003ctd\u003eFe solid, Fe cored, Stainless, Aluminium (0.8–1.2 mm)\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\u003e623 × 579 × 1070 mm\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWeight\u003c\/td\u003e\r\n\u003ctd\u003e44 kg\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eProtection Class\u003c\/td\u003e\r\n\u003ctd\u003eIP23S\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\u003eStandards\u003c\/td\u003e\r\n\u003ctd\u003eIEC 60974-1, IEC 60974-5\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\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:\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat power supply does the Kemppi Kempact 251A need?\u003c\/strong\u003e The Kempact 251A runs on a standard single-phase 240 V ±15% supply, making it suitable for domestic workshops, garages, and job sites without 3-phase infrastructure.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat is the Adaptive control panel on the Kempact 251A?\u003c\/strong\u003e The Adaptive panel automatically sets welding voltage and wire feed speed based on your selected plate thickness, wire diameter, and shielding gas. It also includes synergic programs for multiple wire types and four saveable memory channels for frequent job settings.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat materials can the Kempact 251A weld?\u003c\/strong\u003e The 251A supports mild steel (Fe solid), flux-cored wire (Fe cored), stainless steel, silicon bronze, and aluminium filler wires from 0.8 to 1.2 mm — making it one of the most versatile single-phase welders in its class.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 251A and 251R?\u003c\/strong\u003e Both models deliver 250 A from a single-phase 240 V supply. The 251A has an Adaptive panel with synergic programs and auto plate-thickness set-up; the 251R has a Regular (manual) panel giving direct control over voltage and wire feed speed.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat does HotSpot™ do on the Kempact 251A?\u003c\/strong\u003e HotSpot™ uses a carbon electrode to apply controlled, localised heat to metal surfaces. It is used for metal shrinking, panel straightening, component heating, and releasing corroded nuts and bolts — particularly valuable in automotive repair applications.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eIs an argon regulator included with the Kempact 251A?\u003c\/strong\u003e This varies by package. Some retail configurations include an argon regulator; the standard international package (6412510) includes the welding gun and earth return lead. Always confirm package contents with your local Kemppi dealer.\u003c\/p\u003e","brand":"KEMPPI","offers":[{"title":"Default Title","offer_id":47843917234327,"sku":"6412510","price":4786.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0301\/8663\/5399\/files\/20006174.jpg?v=1779689858","url":"https:\/\/www.weldingsupply.com.au\/products\/kempact-251a-power-source","provider":"QWS - Welding Supply Solutions","version":"1.0","type":"link"}