The WU 3000 is a Böhler Welding liquid cooling unit for URANOS NX 4000/5000 AC/DC and URANOS NX 4000/5000 GSM. It has a 360 V DC supply and 1.4 kW cooling power, the highest among the WU units in the Böhler price list 2026/27. The tank holds 5.5 l, the unit weighs 13.0 kg and measures 705 x 290 x 250 mm.
What it is for
You add the cooling unit for welding with a liquid-cooled torch. In the water configurations of the Böhler price list 2026/27:
- URANOS NX 4000 AC/DC and 5000 AC/DC: WU 3000, GT 500 trolley, ST 4000 U/D 4 m TIG torch
- URANOS NX 4000 GSM and 5000 GSM: WF NX 4000 Smart feeder, 70 mm² 4 m liquid-cooled interconnection cable, WU 3000, GT 500 WF trolley, MT 440 W U/D 4 m MIG/MAG torch and ST 4000 U/D 4 m TIG torch
For URANOS NX 4000/5000 GSM the price list gives liquid-cooled interconnection cables in 70 mm² and 95 mm², from 1.5 to 30 m.
| Part number | 71.03.077 |
|---|---|
| Brand | Böhler Welding |
| Model | WU 3000 |
| Cooling | liquid |
| Power supply | 360 V DC |
| Cooling power | 1.4 kW |
| Tank capacity | 5.5 l |
| Weight | 13.0 kg |
| Dimensions | 705 x 290 x 250 mm |
| Coolant | CL10 (18.91.008), separate item |
| Water filter (accessory) | kit 74.90.066, cartridge 24.02.007 |
| Pack quantity | 1 pc |
Fits
- URANOS NX 4000/5000 AC/DC
- URANOS NX 4000/5000 GSM
Also order
- Coolant CL10, 10 kg: to fill the 5.5 l tank
- Water filter kit for WU cooling units
- Spare water filter for WU cooling units
- TIG torch ST 4000 U/D 4 m, liquid cooled: from the water configurations of both machines
- TIG torch ST 4000 FX U/D 4 m, liquid cooled: FX version
- MIG/MAG torch MT 440 W U/D 4 m, liquid cooled: from the URANOS NX 4000/5000 GSM configuration
- MIG/MAG torch MT 540 W U/D 4 m, liquid cooled: from the URANOS NX 4000/5000 GSM accessories
- Interconnection cable 70 mm², 4 m, liquid cooled: from the URANOS NX 4000/5000 GSM configuration
- Power source trolley GT 500: from the URANOS NX 4000/5000 AC/DC configuration
FAQ
WU 3000 or WU 2000?
The WU 2000 is for URANOS NX 2700/3200 AC/DC and 3200 GSM and has 1.0 kW, a 3.0 l tank and 12.0 kg. The WU 3000 is for URANOS NX 4000/5000 and has 1.4 kW, 5.5 l and 13.0 kg. Both have a 360 V DC supply.
Does the WU 3000 fit URANOS NX 3200 GSM?
No. For URANOS NX 3200 GSM the price list gives the WU 2000.
How much coolant do I need?
The tank holds 5.5 l and a CL10 pack contains 10 kg of coolant, so one pack is enough for filling.
Spawlab is an authorised Böhler Welding distributor and service partner in Poland: VAT invoice, shipping from Krotoszyn by courier or on a pallet for larger items, also to EU countries.
