MIG/MAG welding power source BÖHLER TERRA NX 500 PME 500 A + WF NX 330 + WU 430

MIG/MAG welding power source BÖHLER TERRA NX 500 PME 500 A + WF NX 330 + WU 430

The device offers high performance even during continuous operation – reaching 420 A at 100% duty cycle / 40 °C in MIG/MAG mode. Digital control, a colour LCD display, and an extensive database of synergistic programmes enable precise setting of the welding process for carbon steel, stainless steel, and aluminium.

The offered set includes an external 4-roller wire feeder BÖHLER WF NX 330 SteelDrive, an external liquid cooling unit BÖHLER WU 430, a 4 m water-cooled MIG/MAG torch, a transport trolley, an earth cable, a torch holder, and a shielding gas regulator.

Condition: used / second-hand product. The device may show normal signs of use consistent with previous operation. The visual condition of the specific unit corresponds to the product photographs.

Technical parameters of the welding power source

• Manufacturer: voestalpine Böhler Welding
• Model: TERRA NX 500 PME
• Type: professional inverter multi-process welding power source
• Technology: ThreeLevel® inverter
• Welding methods: MIG/MAG, pulsed MIG/MAG, MMA, TIG DC Lift
• Welding range: 3–500 A
• Maximum Welding Current: 500 A
• Power supply: 3×400 V ±15%, 50/60 Hz
• Maximum power input: 29.7 kVA
• Maximum input current: 42.1 A
• Recommended slow blow fuse: 40 A
• Open circuit voltage: 61 V DC
• Efficiency: approx. 90%
• Power Factor: 0.74
• Protection rating: IP23S
• Insulation class: H
• Power cable: 4×6 mm² / 5 m
• Dimensions of the power source: approx. 690 × 290 × 510 mm
• Weight of the power source: approx. 32.5 kg

MIG/MAG duty cycle at 40 °C

• 500 A – 50%
• 470 A – 60%
• 420 A – 100%

At an ambient temperature of 25 °C:

• 500 A – 80%
• 470 A – 100%

The high duty cycle makes the device a suitable solution for intensive production welding and long-term operation at high currents.

BÖHLER WF NX 330 SteelDrive External Wire Feeder

The set includes a professional external wire feeder BÖHLER WF NX 330 SteelDrive with a colour LCD control panel.

• Model: WF NX 330 SteelDrive
• Feeding system: 4-roller
• Drive power: approx. 120 W
• Wire feed speed: approx. 0.5–22 m/min
• Spool diameter: Ø 200 / 300 mm
• Standard solid wire diameter: Ø 1.0–1.2 mm
• Optional solid wire range: Ø 0.6–1.6 mm
• Flux-cored wire: Ø 0.9–1.6 mm
• Aluminium wire: Ø 0.8–1.6 mm
• Dimensions: approx. 660 × 280 × 390 mm
• Weight: approx. 13 kg
• Control panel: colour LCD
• Protection rating: IP23S

The external feeder allows the controls and the welding wire spool to be placed closer to the workpiece, which is particularly advantageous for large structures and more demanding production applications.

Water-Cooled MIG/MAG Torch

The set includes a water-cooled MIG/MAG torch with a length of 4 m.

• Length: 4 m
• Cooling: water
• Current load capacity: min. 300 A
• designed for professional MIG/MAG welding
• suitable for longer duty cycles and welding at higher currents

Water cooling significantly reduces the thermal load on the torch during intensive work and increases welder comfort.

BÖHLER WU 430 External Cooling Unit

The set includes an original liquid cooling unit BÖHLER WU 430, designed for professional water cooling of the welding torch.

WU 430 Parameters:

• Model: WU 430
• Type: external liquid cooling unit
• Power Supply: 1×400 V
• Max. input current of the specific unit: 0.55 A
• Cooling capacity according to the specific unit label: 1.25 kW
• Coolant volume: approx. 5.5 l
• Maximum Pressure: 0.35 MPa / 3.5 bar
• Protection rating: IP23S
• Dimensions: approx. 705 × 305 × 250 mm
• Weight: approx. 16 kg
• Coolant: included in the set

Welding Processes and Functions

• MIG/MAG
• pulse MIG/MAG
• TIG DC Lift
• MMA
• synergetic welding process setting
• up to 600 Böhler Arc welding programs
• option to save custom programmes
• colour 3.5" LCD display
• digital display of welding parameters
• setting of wire speed, current and material thickness
• 2T / 4T mode
• arc dynamics adjustment
• Soft Start
• Burn Back
• Crater Filler
• spot welding
• intermittent welding
• Bilevel MIG/MAG
• compatibility with U/D and digital MIG/MAG torches
• compatibility with Push-Pull torches
• for MMA functions Hot Start, Arc Force and Anti-Sticking
• digital CANBUS communication

Welding Materials

The device is particularly suitable for welding:

• carbon steel
• stainless steel
• aluminium and its alloys
• with solid welding wires
• with flux-cored wires

Included in the offered set

• BÖHLER TERRA NX 500 PME welding power source
• BÖHLER WF NX 330 SteelDrive external wire feeder
• 4-roller wire feeding system
• interconnecting cable assembly between power source and feeder
• water-cooled MIG/MAG torch 4 m
• torch current carrying capacity min. 300 A
• BÖHLER WU 430 external cooling unit
• coolant
• transport trolley
• earth cable min. 50 mm² / 4 m
• earth clamp
• MIG/MAG torch holder
• protective gas pressure regulator

Main advantages

• output up to 500 A
• 420 A at 100 % duty cycle / 40 °C
• pulse MIG/MAG welding
• suitable for steel, stainless steel and aluminium
• professional external 4-roller wire feeder WF NX 330
• large spools Ø 200 / 300 mm
• WU 430 external water cooling
• cooling capacity 1.25 kW
• 4 m water-cooled torch
• up to 600 welding programmes
• colour LCD display
• synergic digital control
• high performance suitable for demanding production
• complete mobile set on a transport trolley
• professional industrial design

Application

BÖHLER TERRA NX 500 PME is particularly suitable for:

• heavy and medium-heavy metal fabrication
• production of steel structures
• mechanical engineering
• shipbuilding
• manufacturing of machines and equipment
• automotive and railway industries
• energy and technology plants
• welding of stainless steel
• aluminium welding
• repair and service shops
• professional welding workstations with high workloads

Standards and protection

Welding power source

• EN/IEC 60974-1
• EN/IEC 60974-10 Class A
• IP23S

Wire feeder WF NX 330

• EN/IEC 60974-5
• EN/IEC 60974-10 Class A
• IP23S

Cooling unit WU 430

• EN/IEC 60974-2
• EN/IEC 60974-10 Class A
• IP23S