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Syncrowave® 350 LX

Syncrowave 350 LX provides a stable low-end output for intricate applications and the capability to ensure you have enough power for those heavy demands.

Syncrowave 350 LX
  • Syncrowave 350 LX
  • Syncrowave 350 LX Front Panel
Base Model Starting at:
$5,918.00 List Price (US$)

Additional Models and Pricing

Squarewave technology

Squarewave technology was developed by Miller Electric in 1976 to improve your weld quality and make TIG welding easier. Miller Squarewave technology provides arc stability when welding aluminum, prevents arc rectification and eliminates tungsten erosion.

Syncro Start™

This allows the choice of Soft, Standard or Hot TIG starts based on the application, lead lengths and tungsten size.

Last procedure recall

Simplifies changing your Syncrowave back and forth from aluminum TIG to stainless TIG to Stick welding. One switch makes all the control panel changes.

Pulsed TIG control

This control lowers the heat input into the part and reduces warping and distortion.

Balance control

The balance control is adjustable to provide additional oxide removal (more cleaning) or lesscleaning based on the condition of the material being welded.

Digital welding meters

Display both amperage and voltage for viewing of the actual and preset values for greater accuracy and repeatability in your welding procedure.

Adaptive Hot Start™

Stick welding features such as Adaptive Hot Start™ provide good arc strikes without sticking. Once welding, the DIG control makes dynamic adjustments to the welder to ensure smooth E7018 and deep penetration E6010.

 
ProcessesTIG (GTAW) DC 
TIG (GTAW) AC 
Stick (SMAW) DC 
Stick (SMAW) AC 
Air Carbon Arc Cutting and Gouging (CAC-A) 
Pulsed TIG (GTAW-P) AC 
Pulsed TIG (GTAW-P) DC 
Material Type
Max 5/8 in (15.9 mm)
Steel
Min 0.012 in (0.3 mm) 		Max 1/2 in (12.7 mm)
Aluminum
Min 0.015 in (0.4 mm)
General specificationsInput Power
1-Phase Power
Rated Output
350 A at 34 VAC, 40% Duty Cycle
300 A at 32 VAC, 60% Duty Cycle
Welding Amperage Range3 - 400 Amps
Net Weight496 lb (225 kg)
ApplicationsAviation 
Fabrication 
Field Maintenance and Repair 
Manufacturing 
Pipe Fabrication 
Schools/Training 
Ship/Boat 
Product Literature
Spec Sheet - English
Spec Sheet - Spanish
Printable Overview 		 
Warranty True Blue With the best coverage in the industry, Miller's True Blue® Warranty [PDF] delivers unparalleled peace-of-mind.

Models

 Stock # Manufacturer List Price US$  
Syncrowave 350 LX (200/230/460 V): Machine Only 907198 $5918.00  
  View Package Details      
  View Package Details      
  Comes Complete With:  
 
Syncrowave 350 LX power source
  
  (2) Dinse 50 mm connectors  
 
 
Note - Primary cord and TIG torch adapter sold separately.
  
  Syncrowave 350 LX (200/230/460 V): TIGRunner 3X Pkg  907198032 $8135.00  
  View Package Details      
  View Package Details      
  Comes Complete With:  
 
Syncrowave 350 LX power source
  
  No. 37 Running Gear  
  Coolmate™ 3X Cooler  
  RFCS-14 remote foot control  
 
 
Note: Primary cord, Dinse 50 mm connector (1 male) (042418) and TIG torch adapter sold separately.
  
  Syncrowave 350 LX (230/460/575 V): Machine Only  907199 $5918.00  
  View Package Details      
  View Package Details      
  Comes Complete With:  
 
Syncrowave 350 LX power source
  
  (2) Dinse 50 mm connectors  
 
Note - Primary cord and TIG torch adapter sold separately.
  
  Syncrowave 350 LX (230/460/575 V): TIGRunner 3X Pkg  907199032 $8135.00  
  View Package Details      
  View Package Details      
  Comes Complete With:  
 
Syncrowave 350 LX power source
  
  No. 37 Running Gear  
  Coolmate™ 3X Cooler  
  RFCS-14 remote foot control  
 
 
Note: Primary cord, Dinse 50 mm connector (1 male) (042418) and TIG torch adapter sold separately.
  
  Syncrowave 350 LX (200/230/460 V): Complete Pkg  951119 $8704.00  
  View Package Details      
  View Package Details      
  Comes Complete With:  
 
Syncrowave 350 LX power source
  
  No. 37 Running Gear  
  Coolmate™ 3X Cooler  
  Coolant (4 gallons)  
  RFCS-14 remote foot control  
  25 ft (7.6 m) 300 A Weldcraft® CS310 water-cooled torch Torch accesory kit with tungsten  
  - Sheilding cups  
  - Collets-1/16, 3/32, 1/8  
  - Collet Bodies-1/16, 3/32, 1/8  
  - 2% Cerium Tungsten-1/16, 3/32, 1/8  
  15 ft (4.6 m) work lead with clamp and Dinse connector  
  Gas hose  
  Regulator/flowmeter  
  Cable cover
 
Note - Primary cord sold separately.
  
  Syncrowave 350 LX (230/460/575 V): Complete Pkg  951120 $8704.00  
  View Package Details      
  View Package Details      
  Comes Complete With:  
 
Syncrowave 350 LX power source
  
  No. 37 Running Gear  
  Coolmate™ 3X Cooler  
  Coolant (4 gallons)  
  RFCS-14 remote foot control  
  25 ft (7.6 m) 300 A Weldcraft® CS310 water-cooled torch Torch accesory kit with tungsten  
  - Sheilding cups  
  - Collets-1/16, 3/32, 1/8  
  - Collet Bodies-1/16, 3/32, 1/8  
  - 2% Cerium Tungsten-1/16, 3/32, 1/8  
  15 ft (4.6 m) work lead with clamp and Dinse connector  
  Gas hose  
  Regulator/flowmeter  
  Cable cover
 
Note - Primary cord sold separately.
  
       

Most Popular Accessories

Stock# Manufacturer List Price US$

RCCS-14 Remote Contactor and Current Control (14-pin plug)

North/South rotary-motion fingertip control fastens to TIG torch using Velcro® straps. Includes 26.5 ft (8m) control cord. (For all Miller solid-state power sources after serial number JK674521.)

043688$226.00
 

Power Factor Correction

043757$560.00

Low-Conductivity Antifreeze/Coolant

Sold in cases of four 1-gallon recyclable plastic bottles. Recommended for TIG and HF applications. Miller coolants contain a base of ethylene glycol and deionized water to protect against freezing to -37°F (-38°C) or boiling to 227°F (108°C). Also co

043810$24.00

RMLS-14 Remote Switch (14-pin plug)

Momentary and maintained-contact rocker switch for contactor control. Push forward for maintained contact and backward for momentary contact. Includes 26.5 ft(8 m) cord and plug. (For all Miller solid-state power sources after serial number JK674521.)

129337$172.00

RMS-14 Remote On/Off Control (14-pin plug)

Momentary-contact switch for contactor control. Rubber-covered pushbutton dome switch ideal for repetitive on-off applications. Includes 26.5 ft (8 m) cord and 14-pin plug. (For all Miller solid-state power sources after serial number JK674521.)

187208$167.00

RFCS-14 HD Foot Control (14-pin plug)

Heavy-duty foot pedal current and contactor control provides increased stability and durability. Reconfigurable cord can exit the front, back or either side of the pedal. Includes 20ft(6m) cord and plug.

194744$296.00

No. 37 Running Gear

Includes two 10 in (254 mm) wheels, two 5 in (127 mm) caster, two-compartment rack (for gas cylinders or Coolmate V3 coolant system), and handles. Provides excellent mobility and easy to install.

195282$551.00
 View Accessories for No. 37 Running Gear 
 View Accessories for No. 37 Running Gear 
 Standard Cylinder Rack042887$216.00
  

Protective Cover, Syncrowave 250 DX/350 LX with coolers

Heavy-duty, water and mildew resistant. Protects and maintains the finish of the welder.

195320$110.00

ADAPTER,TORCH-INTNL STYLE WATER(#18,20)

195377$70.04

ADAPTER,TORCH-INTNL STYLE GAS(#26)

195379$70.74

CABLE,EXTENSION 24 VAC 14 PIN 8C 25 FT

242208025$171.00

CABLE,EXTENSION 24 VAC 14 PIN 8C 50 FT

242208050$256.00

CABLE,EXTENSION 24 VAC 14 PIN 8C 80 FT

242208080$358.00

RHC-14 REMOTE HAND CONTROL W/CABLE 20 FT

Miniature hand control for remote current and contactor control. Dimensions: 4 x 4 x 3-1/4 in (102 x 102 x 82 mm). Includes 20 ft (6 m) cord and 14-pin plug.

242211020$266.00

RHC-14 REMOTE HAND CONTROL W/CABLE 100 FT

Miniature hand control for remote current and contactor control. Dimensions: 4 x 4 x 3-1/4 in (102 x 102 x 82 mm). Includes 100 ft (6 m) cord and 14-pin plug.

242211100$431.00

300 A Water-Cooled Torch Kit

Includes 25 ft Weldcraft® torch, cable cover, torch accessory kit, Smith® regulator/flowmeter, 12 ft rubber gas hose, water-cooled Dinse torch adapter, and 12 ft weld lead with clamp and Dinse connector.

300183$675.00
 View Accessories for 300 A Water-Cooled Torch Kit 
 View Accessories for 300 A Water-Cooled Torch Kit 
 NOZZLE, ALUMINA, STUBBY, #413N08$2.20
 NOZZLE, ALUMINA, STUBBY, #513N09$2.20
 NOZZLE, ALUMINA, STUBBY, #613N10$2.20
 NOZZLE, ALUMINA, STUBBY, #713N11$2.20
 NOZZLE, ALUMINA, STUBBY, #813N12$2.20
 NOZZLE, ALUMINA, STUBBY, #1013N13$2.20
 COLLET,.020"13N20$1.79
 COLLET,.040"13N21$1.79
 COLLET,1/16"13N22$1.79
 COLLET,3/32"13N23$1.79
 COLLET,1/8"13N24$1.79
 COLLET BODY,.040"13N26$3.51
 COLLET BODY,1/16"13N27$3.51
 COLLET BODY,3/32"13N28$3.51
 COLLET BODY,1/8"13N29$3.51
 GAS LENS, LARGE, .020-.040"45V0204S$43.86
 GAS LENS, LARGE, 1/16"45V116S$43.86
 GAS LENS, SMALL, .040"45V42$9.52
 GAS LENS, SMALL, 1/16"45V43$9.52
 GAS LENS, SMALL, 3/32"45V44$9.52
 GAS LENS, SMALL, 1/8"45V45$9.52
 GAS LENS, LARGE, 3/32"45V64S$43.86
 GAS LENS NOZZLE,SM. ALUMINA #453N58$2.26
 GAS LENS NOZZLE,SM. ALUMINA #553N59$2.26
 GAS LENS NOZZLE,SM. ALUMINA #653N60$2.26
 GAS LENS NOZZLE,SM. ALUMINA #753N61$2.26
 GAS LENS NOZZLE,SM. ALUMINA #853N61S$2.26
 GAS LENS NOZZLE,LG. ALUMINA #12 10 Per Pkg53N87$5.35
 GAS LENS NOZZLE,LG. ALUMINA #10 10 Per Pkg53N88$5.35
 GAS LENS NOZZLE,LG. ALUMINA #8 10 Per Pkg57N74$5.35
 GAS LENS NOZZLE,LG. ALUMINA #6 10 Per Pkg57N75$5.35
 INSULATOR,NOZZLE598882$3.05
 GAS LENS, LARGE, 1/8"995795S$43.86
 CONSUMABLE KIT,WITH CERIATED TUNGSTENAK4C$79.08
 BACK CAP,LONGCS110-BCL$15.78
 BACK CAP,MEDIUMCS110-BCM$13.38
 BACK CAP,SHORTCS110-BCS$13.51
 TORCH BODY,310A,W/CCS310A$130.74
  

COOLMATE 3X W/CART & DUAL CYLINDER RACK

Industrial, 3-gallon cooler designed for water-cooled torches rated up to 500A. Includes easy load dual cylinder rack, running gear and handles for Syncrowave 250 DX/LX.

300419$1822.00
 View Accessories for COOLMATE 3X W/CART & DUAL CYLINDER RACK 
 View Accessories for COOLMATE 3X W/CART & DUAL CYLINDER RACK 
 Aluminum Protecting Antifreeze/Coolant043809$24.00
 Low-Conductivity Antifreeze/Coolant043810$24.00
  

WIRELESS FOOT CONTROL AND 14 PIN RECEIVER

Improves productivity, eliminates clutter and cord tangles in the work area. Eliminates cord failure and associated downtime/repair costs and extends the welding range without adding cord extensions.

300429$777.00

WIRELESS HAND CONTROL AND 14 PIN RECEIVER

Improves productivity, eliminates clutter and cord tangles in the work area. Eliminates cord failure and associated downtime/repair costs and extends the welding range without adding cord extensions. Designed for tig, stick, and volt sensing wire feeder

300430$1029.00
 

WELDCRAFT WATERCOOLED, 310 A, 25ft

CS31025RM$489.25
 View Accessories for WELDCRAFT WATERCOOLED, 310 A, 25ft 
 View Accessories for WELDCRAFT WATERCOOLED, 310 A, 25ft 
 NOZZLE, ALUMINA, STUBBY, #413N08$2.20
 NOZZLE, ALUMINA, STUBBY, #513N09$2.20
 NOZZLE, ALUMINA, STUBBY, #613N10$2.20
 NOZZLE, ALUMINA, STUBBY, #713N11$2.20
 NOZZLE, ALUMINA, STUBBY, #813N12$2.20
 NOZZLE, ALUMINA, STUBBY, #1013N13$2.20
 COLLET,.020"13N20$1.79
 COLLET,.040"13N21$1.79
 COLLET,1/16"13N22$1.79
 COLLET,3/32"13N23$1.79
 COLLET,1/8"13N24$1.79
 COLLET BODY,.040"13N26$3.51
 COLLET BODY,1/16"13N27$3.51
 COLLET BODY,3/32"13N28$3.51
 COLLET BODY,1/8"13N29$3.51
 GAS LENS, LARGE, .020-.040"45V0204S$43.86
 GAS LENS, LARGE, 1/16"45V116S$43.86
 GAS LENS, SMALL, .040"45V42$9.52
 GAS LENS, SMALL, 1/16"45V43$9.52
 GAS LENS, SMALL, 3/32"45V44$9.52
 GAS LENS, SMALL, 1/8"45V45$9.52
 GAS LENS, LARGE, 3/32"45V64S$43.86
 GAS LENS NOZZLE,SM. ALUMINA #453N58$2.26
 GAS LENS NOZZLE,SM. ALUMINA #553N59$2.26
 GAS LENS NOZZLE,SM. ALUMINA #653N60$2.26
 GAS LENS NOZZLE,SM. ALUMINA #753N61$2.26
 GAS LENS NOZZLE,SM. ALUMINA #853N61S$2.26
 GAS LENS NOZZLE,LG. ALUMINA #12 10 Per Pkg53N87$5.35
 GAS LENS NOZZLE,LG. ALUMINA #10 10 Per Pkg53N88$5.35
 GAS LENS NOZZLE,LG. ALUMINA #8 10 Per Pkg57N74$5.35
 GAS LENS NOZZLE,LG. ALUMINA #6 10 Per Pkg57N75$5.35
 INSULATOR,NOZZLE598882$3.05
 GAS LENS, LARGE, 1/8"995795S$43.86
 CONSUMABLE KIT,WITH CERIATED TUNGSTENAK4C$79.08
 BACK CAP,LONGCS110-BCL$15.78
 BACK CAP,MEDIUMCS110-BCM$13.38
 BACK CAP,SHORTCS110-BCS$13.51
 TORCH BODY,310A,W/CCS310A$130.74
  

WELDCRAFT AIRCOOLED, 200 A, 25ft

WP2625RM$279.96
 View Accessories for WELDCRAFT AIRCOOLED, 200 A, 25ft 
 View Accessories for WELDCRAFT AIRCOOLED, 200 A, 25ft 
 COLLET,.020" 5 Per Pkg10N21$3.27
 COLLET,.040" 5 Per Pkg10N22$3.27
 COLLET,3/32" 5 Per Pkg10N24$3.27
 COLLET,1/8"10N25$3.27
 COLLET BODY,1/8"10N28$4.72
 COLLET BODY,.020" 5 Per Pkg10N29$4.72
 COLLET BODY,.040" 5 Per Pkg10N30$4.72
 COLLET BODY,1/16" 5 Per Pkg10N31$4.72
 COLLET BODY,3/32" 5 Per Pkg10N32$4.72
 NOZZLE, ALUMINA, #12 10 Per Pkg10N44$2.40
 NOZZLE, ALUMINA, #10 10 Per Pkg10N45$2.40
 NOZZLE, ALUMINA, #8 10 Per Pkg10N46$2.40
 NOZZLE, ALUMINA, #7 10 Per Pkg10N47$2.40
 NOZZLE, ALUMINA, #6 10 Per Pkg10N48$2.40
 NOZZLE, ALUMINA, #5 10 Per Pkg10N49$2.40
 NOZZLE, ALUMINA, #4 10 Per Pkg10N50$2.40
 BACK CAP,MEDIUM 2 Per Pkg300M$4.84
 COLLET BODY,5/32"406488$4.72
 GAS LENS, LARGE, .020-.040" 2 Per Pkg45V0204$22.02
 GAS LENS, LARGE, 1/16" 2 Per Pkg45V116$22.02
 GAS LENS, SMALL, .040" 2 Per Pkg45V24$11.10
 GAS LENS, SMALL, 1/16" 2 Per Pkg45V25$11.10
 GAS LENS, SMALL, 3/32" 2 Per Pkg45V26$11.10
 GAS LENS, SMALL, 1/8"45V27$11.10
 GAS LENS, SMALL, 5/32"45V28$11.10
 GAS LENS, SMALL, .020" 2 Per Pkg45V29$11.10
 GAS LENS, LARGE, 3/32"45V64$22.02
 GAS LENS NOZZLE,LG. ALUMINA #12 10 Per Pkg53N87$5.35
 GAS LENS NOZZLE,LG. ALUMINA #10 10 Per Pkg53N88$5.35
 GAS LENS NOZZLE,SM. ALUMINA #8 10 Per Pkg54N14$2.42
 GAS LENS NOZZLE,SM. ALUMINA #7 10 Per Pkg54N15$2.42
 GAS LENS NOZZLE,SM. ALUMINA #6 10 Per Pkg54N16$2.42
 GAS LENS NOZZLE,SM. ALUMINA #5 10 Per Pkg54N17$2.42
 GAS LENS NOZZLE,SM. ALUMINA #4 10 Per Pkg54N18$2.42
 COLLET,5/32"54N20$3.55
 GAS LENS NOZZLE,LG. ALUMINA #8 10 Per Pkg57N74$5.35
 GAS LENS NOZZLE,LG. ALUMINA #6 10 Per Pkg57N75$5.35
 BACK CAP,LONG 2 Per Pkg57Y02$5.53
 BACK CAP,SHORT 2 Per Pkg57Y04$7.31
 GAS LENS, LARGE, 1/8"995795$22.02
  
     
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