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ND-500 Inverter Multi-functional Welding Machine
Smaw Welding Machine

ND-500 Inverter Multi-functional Welding Machine

The ND-500 welding machine is a high-performance, industrial power source. It is very reliable. This one system does MMA, TIG, MIG, and Carbon Arc Gouging. So, it is a complete solution for heavy work like shipbuilding and petrol-chemical jobs. It uses advanced special technology. This means it gives precise results even in tough places. It has a 100% duty cycle and can start an arc at only 5A. Because of this, the ND-500 welding machine has a very stable arc, little spatter, and enough power for big steel structures.

    Versatile Multi-Functional Power Source
    The ND-500 welding machine is made for many industrial jobs. It uses modern IGBT inverter technology. So, with this ND-500 welding machine, a worker can switch between different welding types easily.

    • MIG/MAG Welding: It works with solid and flux-cored wires. It has a special function for even weld quality.

    • TIG Welding: It has High-Frequency (HF) arc starting. It can make a stable arc at a low 5A.

    • MMA Welding: It works with many electrode types.

    • Carbon Arc Gouging: It has high power for cutting away metal quickly.

    Industrial Reliability & Advanced Protection
    The ND-500 welding machine is built for tough places like shipyards. It has a strong design with IP21 protection. Its parts are modular. This means different parts work without causing problems. So, the ND-500 welding machine lasts a long time. Also, it resists interference well. Therefore, the ND-500 welding machine runs steadily even with a generator on a remote site.

    Precision Engineering for Superior Quality
    The ND-500 welding machine is efficient and precise. Its efficiency is 89.7%. It also saves energy. The welder can adjust many things like gas timing and voltage. This gives total control over the welding pool.

    Technical Specifications (Model: ND-500D)

    • Rated Duty Cycle: 100% for constant heavy use.

    • Input Power: 3-Phase 380V, 50/60Hz.

    • Welding Range: 20A–500A (MMA) and 5A–500A (TIG).

    • Wire Diameter Compatibility: Φ1.0mm to Φ1.6mm.

    • Portability: It has a handle and lift for easy moving.

    Comprehensive Configuration
    Each ND-500 welding machine comes with all needed items:

    • Electrode holder and Earth cable.

    • Wire feeder with a 5m cable.

    • Strong CO2 and TIG torches (3m).

    • CO2 gas regulator.

    For any big industrial project, the ND-500 welding machine gives the steady power you need.

    Technical Parameter

                          Model

    Contents

    ND-350D

    ND-500D

    ND-630D

    Input power supply

    3-phase 380V  50/60Hz

    Rated input power

    14.5KVA

    23KVA

    34KVA

    Rated input current

    22A

    45A

    52A

    Welding current/voltage

    350A/31.5V

    500A /39V

    630A/44V

    Rated duty cycle

    100%

    100%

    100%

    No-load voltage

    66V

    73V

    84V

    MMA

    /Gouging

    Current adjustment range

    20A~350A

    20A~500A

    40A~630A

     Arc force

    Cellulose

    Max260A

     Max260A

    Max260A

    Low hydro electrode, alkaline electrode 

    Max160A

    Max160A

    Max160A

    TIG

    Current adjust. range

    20A~350A

    5A~500A

    5A~630A

    Down-slope

    0~10S

    0~10S

    0~10S

    Pre-gas sending time

    0.2S

    0.2S

    0.2S

    Post-gas-sending time

    6S

    6S

    6S

    Arc-starting means

    HF

    MIG

    Voltage adjust. range

    15-40V

    16-50V

    16-50V

    Pre-gas sending time

    0~1S

    0~1S

    0~1S

    Post gas sending time

    1~3S

    1~3S

    1~3S

    Wire diameter (solid/flux-cored)

    Φ0.8~Φ1.2mm

    Φ1.0~Φ1.6mm

    Φ1.0~Φ1.6mm

    Weight of wire feeder

    10kg

    Consistent molten depth

    With

    Efficiency

    87.6%

    89.7%

    89.7%

    Power factor

    0.93

    0.93

    0.94

    Air switch

    40A

    63A

    63A

    Input cable

    4×4mm2

    4×6mm2

    4×10mm2

    Dimensions

    570×310×500mm

    600×320×610mm

    680×370×650mm

    Lift means

    Handle

    Handle+Lift

    Lift

    Insulation

    F

    Protection grade

    IP21

    External feature

    MMA/Gouging/TIG

    CC

    MIG

    CV

    Weight of welding machine

    34 Kg

    39 Kg

    50 Kg