{"product_id":"unimig-razor-330-ac-dc","title":"UNIMIG RAZOR 330 AC\/DC","description":"\u003ch4 data-sourcepos=\"7:1-8:58;83-167\"\u003e\u003cstrong\u003eUNIMIG RAZOR TIG 330 AC\/DC Welder (U11021)\u003c\/strong\u003e\u003c\/h4\u003e\r\n\u003cp data-sourcepos=\"25:1-25:425;717-1141\"\u003e\u003cstrong\u003eThe UNIMIG RAZOR TIG 330 AC\/DC is a 330-amp, three-phase AC\/DC TIG and stick welder built for professional aluminium, stainless steel and exotic alloy fabrication.\u003c\/strong\u003e With high-frequency ignition, three selectable AC waveforms, mixed AC\/DC output and a 30% duty cycle at full 330A output, it's engineered for high-end fabrication shops, marine builders and industrial engineering workshops that TIG weld all day, every day.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"27:1-27:214;1143-1356\"\u003eAt QWS, every RAZOR TIG 330 is built, tested and tagged in our Bulimba workshop before it reaches your floor — set up with your torch, consumables and gas configuration so it's ready to strike an arc from day one.\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp data-sourcepos=\"31:1-31:51;1363-1413\"\u003e\u003cstrong\u003eWhy Fabricators Choose the RAZOR TIG 330 AC\/DC\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"33:1-33:262;1415-1676\"\u003e\u003cstrong\u003eWeld every metal in the workshop.\u003c\/strong\u003e Run AC for aluminium, magnesium and zinc alloys, then switch to DC for mild steel, stainless, copper, silicon bronze and titanium. One machine covers the full material mix of a modern fabrication or marine engineering shop.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"35:1-35:260;1678-1937\"\u003e\u003cstrong\u003eSerious amperage with a real duty cycle.\u003c\/strong\u003e The RAZOR TIG 330 delivers 10–330A in TIG mode with a duty cycle of 30% @ 330A, 60% @ 233A and 100% @ 181A (at 40°C) — enough sustained output to single-pass aluminium up to 16mm without waiting on thermal cutouts.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"37:1-37:301;1939-2239\"\u003e\u003cstrong\u003eThree AC waveforms, fully customisable arcs.\u003c\/strong\u003e Switch between Sine, Square and Triangle waveforms to change arc character, bead profile and penetration. Run Sine for a smooth, quiet arc with good wetting; Square for a focused, penetrative arc; Triangle for lower heat input on thin aluminium sheet.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"39:1-39:290;2241-2530\"\u003e\u003cstrong\u003eMixed AC\/DC for thick aluminium.\u003c\/strong\u003e The MIX ARC function combines the oxide-cleaning action of AC with the penetration and arc force of DC in a single weld cycle. The result: faster travel speeds, stronger fusion on thick sections and a quicker, more responsive puddle on cold workpieces.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"41:1-41:231;2532-2762\"\u003e\u003cstrong\u003eHD backlit control panel.\u003c\/strong\u003e Parameters are laid out on a high-definition backlit screen with clear numbering and simple icons, so dialling in pulse, waveform and sequence settings is fast — even for operators new to the machine.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"43:1-43:225;2764-2988\"\u003e\u003cstrong\u003eFoot pedal ready.\u003c\/strong\u003e Adjust amperage on the fly without breaking torch movement. Wired and wireless UNIMIG foot control options plug straight in, and the machine is water-cooler compatible for high-amperage production work.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"45:1-45:217;2990-3206\"\u003e\u003cstrong\u003eFull MMA capability built in.\u003c\/strong\u003e 10–270A stick output with Arc Force, Hot Start, Anti-Stick and VRD makes it a genuine dual-purpose machine for site repairs, cast iron and structural work using 2.5–4.0mm electrodes.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"47:1-47:238;3208-3445\"\u003e\u003cstrong\u003eBuilt to survive the workshop.\u003c\/strong\u003e IGBT inverter technology, IP23S protection rating, Class H insulation and Smart Fan cooling (which only runs when needed, pulling less dust through the machine) — all backed by UNIMIG's 5-year warranty.\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp data-sourcepos=\"51:1-51:17;3452-3468\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul data-sourcepos=\"53:1-64:25;3470-4001\"\u003e\r\n\u003cli data-sourcepos=\"53:1-53:53;3470-3522\"\u003e330A AC\/DC high-frequency TIG with lift arc option\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"54:1-54:48;3523-3570\"\u003eThree AC waveforms: Sine, Square and Triangle\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"55:1-55:53;3571-3623\"\u003eMixed AC\/DC (MIX ARC) function for thick aluminium\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"56:1-56:47;3624-3670\"\u003ePulse TIG for heat control on thin materials\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"57:1-57:49;3671-3719\"\u003eHD backlit control panel with intuitive layout\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"58:1-58:48;3720-3767\"\u003eFoot pedal ready — wired and wireless options\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"59:1-59:45;3768-3812\"\u003eWater cooler compatible for production TIG\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"60:1-60:54;3813-3866\"\u003eAdvanced MMA: Arc Force, Hot Start, Anti-Stick, VRD\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"61:1-61:39;3867-3905\"\u003eIGBT inverter with Smart Fan cooling\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"62:1-62:34;3906-3939\"\u003eIP23S rated, Class H insulation\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"63:1-63:37;3940-3976\"\u003eGenerator friendly (20kVA minimum)\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"64:1-64:25;3977-4001\"\u003e5-year UNIMIG warranty\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003chr\u003e\r\n\u003cp data-sourcepos=\"68:1-68:19;4008-4026\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cdiv data-sourcepos=\"70:1-88:23;4028-4725\"\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\"\u003eDetail\u003c\/th\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/thead\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eSKU\u003c\/td\u003e\r\n\u003ctd\u003eU11021\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePrimary Input Voltage\u003c\/td\u003e\r\n\u003ctd\u003e415V Three Phase (32A plug recommended)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eTIG Current Range\u003c\/td\u003e\r\n\u003ctd\u003e10–330A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eTIG Duty Cycle @ 40°C\u003c\/td\u003e\r\n\u003ctd\u003e30% @ 330A \/ 60% @ 233A \/ 100% @ 181A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eTIG Welding Thickness\u003c\/td\u003e\r\n\u003ctd\u003e1–16mm\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMMA Current Range\u003c\/td\u003e\r\n\u003ctd\u003e10–270A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMMA Duty Cycle @ 40°C\u003c\/td\u003e\r\n\u003ctd\u003e30% @ 270A \/ 60% @ 190A \/ 100% @ 148A\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMMA Electrode Range\u003c\/td\u003e\r\n\u003ctd\u003e2.5–4.0mm\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eIgnition\u003c\/td\u003e\r\n\u003ctd\u003eAC\/DC High-Frequency \u0026amp; Lift Arc\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eAC Waveforms\u003c\/td\u003e\r\n\u003ctd\u003eSine, Square, Triangle\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eProtection \/ Insulation\u003c\/td\u003e\r\n\u003ctd\u003eIP23S \/ Class H\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMinimum Generator\u003c\/td\u003e\r\n\u003ctd\u003e20kVA\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eDinse Connector\u003c\/td\u003e\r\n\u003ctd\u003e35\/50\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\u003e568 × 230 × 416mm\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWeight\u003c\/td\u003e\r\n\u003ctd\u003e23.8kg\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eStandard\u003c\/td\u003e\r\n\u003ctd\u003eAS\/NZS 60974.1\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWarranty\u003c\/td\u003e\r\n\u003ctd\u003e5 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\u003cp data-sourcepos=\"90:1-91:69;4727-4922\"\u003e\u003cstrong\u003eSuitable materials — TIG:\u003c\/strong\u003e Aluminium, magnesium, zinc alloys, mild steel, stainless steel, copper, silicon bronze, titanium \u003cstrong\u003eSuitable materials — MMA:\u003c\/strong\u003e Mild steel, stainless steel, cast iron\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp data-sourcepos=\"95:1-95:22;4929-4950\"\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul data-sourcepos=\"97:1-103:19;4952-5140\"\u003e\r\n\u003cli data-sourcepos=\"97:1-97:29;4952-4980\"\u003eRAZOR TIG 330 AC\/DC Welder\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"98:1-98:18;4981-4998\"\u003e4m T2 TIG Torch\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"99:1-99:33;4999-5031\"\u003e4m Twist Lock Electrode Holder\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"100:1-100:32;5032-5063\"\u003e4m 300 Amp Earth Clamp \u0026amp; Lead\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"101:1-101:28;5064-5091\"\u003eArgon Flowmeter Regulator\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"102:1-102:30;5092-5121\"\u003e2.5m Gas Hose with fittings\u003c\/li\u003e\r\n\u003cli data-sourcepos=\"103:1-103:19;5122-5140\"\u003eOperating Manual\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003chr\u003e\r\n\u003cp data-sourcepos=\"107:1-107:44;5147-5190\"\u003e\u003cstrong\u003eFREQUENTLY ASKED QUESTIONS\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"109:1-110:319;5192-5563\"\u003e\u003cstrong\u003eWhat is the UNIMIG RAZOR TIG 330 AC\/DC used for?\u003c\/strong\u003e The RAZOR TIG 330 AC\/DC is a professional three-phase TIG and stick welder designed for high-end aluminium and stainless steel fabrication, marine engineering and industrial maintenance. AC output handles aluminium, magnesium and zinc alloys, while DC covers mild steel, stainless, copper, silicon bronze and titanium.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"112:1-113:236;5565-5852\"\u003e\u003cstrong\u003eHow thick can the RAZOR TIG 330 weld aluminium?\u003c\/strong\u003e In TIG mode it welds material from 1mm up to 16mm. The mixed AC\/DC function is particularly effective on thick aluminium sections, combining AC's oxide cleaning with DC's deeper penetration for faster travel speeds and stronger fusion.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"115:1-116:251;5854-6158\"\u003e\u003cstrong\u003eIs the RAZOR TIG 330 single phase or three phase?\u003c\/strong\u003e It's a 415V three-phase machine, with a 32A supply plug recommended. It's also generator friendly, requiring a minimum 20kVA generator for site work. If your workshop only has single-phase power, talk to QWS about single-phase AC\/DC TIG alternatives.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"118:1-119:202;6160-6416\"\u003e\u003cstrong\u003eWhat's the duty cycle of the UNIMIG RAZOR TIG 330?\u003c\/strong\u003e At 40°C ambient, the TIG duty cycle is 30% at the full 330A, 60% at 233A and 100% at 181A — meaning it can run continuously at 181 amps, which suits most production TIG work on aluminium and stainless.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"121:1-122:170;6418-6632\"\u003e\u003cstrong\u003eDoes the RAZOR TIG 330 do stick welding?\u003c\/strong\u003e Yes. It delivers 10–270A in MMA mode with Arc Force, Hot Start, Anti-Stick and VRD, running 2.5–4.0mm electrodes on mild steel, stainless and cast iron up to 16mm thick.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"124:1-125:194;6634-6878\"\u003e\u003cstrong\u003eCan I use a foot pedal with the RAZOR TIG 330?\u003c\/strong\u003e Yes — the machine is foot pedal ready, with both wired and wireless UNIMIG foot control options available. It's also compatible with the UNIMIG water cooler for extended high-amperage TIG work.\u003c\/p\u003e\r\n\u003cp data-sourcepos=\"127:1-128:169;6880-7103\"\u003e\u003cstrong\u003eWhat warranty comes with the UNIMIG RAZOR TIG 330?\u003c\/strong\u003e UNIMIG backs the RAZOR TIG 330 AC\/DC with a 5-year warranty. Every machine purchased from QWS is also built, tested and tagged in our Brisbane workshop before delivery.\u003c\/p\u003e","brand":"QWS - Welding Supply Solutions","offers":[{"title":"Default Title","offer_id":47982250131607,"sku":"U11021","price":3149.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0301\/8663\/5399\/files\/U11021_3_19fcd88b-bab2-4a87-ab80-de212226d05b.webp?v=1783395143","url":"https:\/\/www.weldingsupply.com.au\/products\/unimig-razor-330-ac-dc","provider":"QWS - Welding Supply Solutions","version":"1.0","type":"link"}