TIG welding power source BÖHLER URANOS NX 3200 AC/DC 320 A, water-cooled

TIG welding power source BÖHLER URANOS NX 3200 AC/DC 320 A, water-cooled

The AC/DC technology makes this device a universal solution for professional TIG workstations – AC mode is particularly suitable for welding aluminium and its alloys, while DC mode is primarily intended for steel, stainless steel and other materials.

The offered set includes a BÖHLER WU 2000 external water cooling unit, a water-cooled TIG torch with a length of 4 m and digital control, a transport trolley and a MESSER CONSTANT 2000 shielding gas regulator.

Condition: used / second-hand product. The device may show normal signs of use corresponding to its 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: URANOS NX 3200 AC/DC
• Type: professional inverter welding power source
• Welding methods: TIG AC, TIG MIX AC/DC, TIG DC HF, TIG DC Lift, MMA
• Welding current range: 3–320 A
• Maximum welding current: 320 A
• Power supply: 3× 400 V / 3× 230 V, 50/60 Hz
• Power supply tolerance: ±15 %
• Open-circuit voltage: 80 V DC
• Max. input current: 19.9 A at 400 V / 35 A at 230 V
• Power factor PF: 0.95
• Protection rating: IP23S
• Insulation class: H
• Power source dimensions: approx. 620 × 240 × 460 mm
• Weight of the power source alone: approx. 27.5 kg

TIG DC Duty Cycle at 40 °C

With 3×400 V power supply:

• 320 A – 40 %
• 300 A – 60 %
• 270 A – 100 %

The device thus provides high performance even during long-term professional use.

Welding Functions

• TIG AC
• TIG MIX AC/DC
• TIG DC HF
• TIG DC Lift
• MMA
• pulse TIG welding
• high-frequency non-contact HF ignition
• Lift TIG ignition
• adjustable AC welding parameters
• digital control of the welding process
• compatibility with digitally controlled TIG torch
• remote control option
• welding program memory
• automatic cooling system control

BÖHLER WU 2000 External Cooling Unit

The set includes an original BÖHLER WU 2000 external water cooling unit, which ensures effective cooling of the TIG torch when welding with high currents and during longer duty cycles.

WU 2000 Parameters:

• Model: BÖHLER WU 2000
• Type: liquid cooling unit
• Cooling capacity: 1.0 kW
• Coolant volume: approx. 3 l
• Power supply of specific unit according to label: 350 V DC
• Max. input current: 0.35 A
• Max. pressure: 0.35 MPa / 3.5 bar
• Protection rating: IP23S
• Dimensions: approx. 660 × 240 × 220 mm
• Weight: approx. 12 kg
• Coolant: included in the set

TIG torch

The set includes a water-cooled ST2500MP TIG torch with a length of 4 m and digital control directly on the handle. The torch is designed for professional TIG welding at higher currents and, thanks to water cooling, is also suitable for longer duty cycles.

• Model: ST2500MP
• Length: 4 m
• Cooling: water
• Control: digital directly from the torch handle
• Current capacity: min. 320 A at 100 % duty cycle / 40 °C in DC mode

The water-cooled version is suitable for intensive professional TIG welding, providing higher current capacity and greater comfort compared to air-cooled torches.

Pressure regulator

The set includes a MESSER CONSTANT 2000 pressure regulator for the shielding gas.

• Manufacturer: MESSER
• Series: CONSTANT 2000
• Application: argon / shielding gases
• Version: with two pressure gauges
• Set designation: ARGON 5.0
• according to the provided specification with a stainless membrane

The pressure regulator allows for precise adjustment of the shielding gas required for high-quality TIG welding.

Included in the offered set

• BÖHLER URANOS NX 3200 AC/DC welding power source
• external cooling unit BÖHLER WU 2000
• coolant
• water-cooled TIG torch 4 m
• digital control on the torch
• torch current capacity min. 320 A / 100 % / 40 °C – DC
• transport trolley
• pressure regulator MESSER CONSTANT 2000
• pressure regulator designed for shielding gas ARGON 5.0

Main advantages

• professional TIG AC/DC power source up to 320 A
• suitable for aluminium, stainless steel and steel
• very wide adjustment range 3–320 A
• both AC and DC TIG welding
• HF and Lift ignition
• pulse welding
• precise digital control
• water-cooled 4 m torch
• digital control directly from the torch
• original BÖHLER WU 2000 cooling unit
• cooling capacity 1.0 kW
• complete mobile design on a transport trolley
• suitable for intensive professional use

Application

The device is particularly suitable for:

• professional TIG welding of aluminium
• welding of stainless steel
• welding of structural steels
• mechanical and metal engineering
• production of tanks and piping
• production of technological equipment
• automotive industry
• repair and service shops
• food and chemical industry
• demanding welding workstations

Standards and protection

According to the device nameplate:

• EN/IEC 60974-1
• EN/IEC 60974-10, Class A
• EN 60974-3
• IP23S