TERRA NX 320 TLH

The TERRA NX 320 TLH is a simple and reliable three-phase power source for TIG DC and electrode welding. Arc generation is based on tried and tested inverter technology, and dimensions are particularly compact thanks to the Three-Level® power platform. This power source incorporates a VRD (voltage-reduction-device) to reduce no-load voltage in hazardous environment.

TIG DC HF - MMA
Three-phase 3x400V
Inverter technology
Easy transport with the specific trolley
4 proprietary welding processes by Böhler Welding
320A@60% (40 °C)
20.5 kg

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Data Sheet

General
Welding processs	TIG DC HF - TIG DC Lift - MMA
Materials	Carbon steels - Stainless Steels - Cast irons - Copper - Titanium
Dimensions	620x240x460mm
Weight	20.5 kg
Power supply
Voltage (50/60 Hz)	3x400V±15%
Maximum input power	15.9 kVA
Maximum input current	23.2A
Efficiency	88%
Slow blow line fuse	25A
Open circuit voltage	61Vdc
IP protection rate	IP23S
Insulation class	H
Power supply cable	4x2.5mm² - 5 m
Welding
Adjustment range	3A-320A
Duty cycle TIG - 40 °C	60% - 320A 100% - 280A
Duty cycle TIG - 25 °C	70% - 320A 100% - 290A
U/D TIG Torch compatible	yes
Remote control compatible	yes

Applications
- Medium-heavy job shop fabrication
- Boiler and tank construction
- Plants machinery construction
- Automobile industry
- Cycle industry
- Nuclear industry
- Military industry
- Aeronautics and Aerospace industry
- Food industry
- Chemical industry
- Repair and overhaul
- Pipeline construction
- Workshops
Technicalities
- New generation inverter technology power source (Selco patented 3-level technology)
- Heavy duty and enviromental conditions, high service life
- CAN fieldbus digital communication protocol system (very high speed and high reliability digital communication)
- Software based controls can be upgraded as new features become available
- Extremely rugged, reliable and easy-to-use systems
- High temperature, shockproof, abrasion resistant plastic case
- Air flow ducting and fully encapsulated PC board to avoid dust contamination
- Power source trolley for easy system manoeuvrability
- Full digital and user-friendly control panel
- Welding parameters digital display
- Last job settings auto-storage at switch-off
- Lock-unlock function key protected by password
- Ideal for stick welding with multiple types of popular electrodes
- Built-in adjustable arc control features (hot start, arc force, antisticking)
- Synergic setting for optimal stick welding with all types of electrodes
- Trigger of the arc in HF mode
- Manual restart or downslope stop functions
- Bi-Level operating mode
- Pulsed and fast pulsed operating mode (2500Hz)
- Easy joining
- Current socket (panel) 50/70mm²
- Up/Down torch compatible (welding current adjustment)
- Remote control compatible
- WU cooling unit compatible
- Controlled cooling operations
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