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Stock Code

002851

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ST400/500/630A Series MMA/SMAW Welding Machines

Full Digital IGBT Inverter Manual Metal Arc (MMA/SMAW) Welding Machines (400/500/630A)

Suitable for welding of various acidic, alkaline, stainless steel and low-hydrogen rods

Input voltage allows fluctuation range up to ± 25%

Being satisfied with long-distance operations, and stable welding is ensured when the cable is extended to 100 meters

Adjustment for thrusting current and arc initiation current can improve welding performance

Equipped with VRD electric shock protection function to ensure safe welding

ST500 & ST630 MMA/SMAW welders have gouging function (maximum 12mm carbon rod for ST630 MMA/SMAW welders)

Enclosure protection level reaches IP23 and high-reliability design for harsh welding environments

Megmeet ST400/500/630A Full Digital IGBT Inverter Manual Metal Arc (MMA/SMAW) Welding Machines (400/500/630A)
Application & Industries

Megmeet ST400/500/630 MMA/SMAW Welding Machines are widely used in the petrochemical industry, electric power construction, building construction, shipbuilding, steel structures, and many other industries.

  • MEGMEET Ship-building welding solutions - ST400/500/630A Inverter Manual Arc Welding Machine
    Shipbuilding Welding
  • MEGMEET Yellow Goods welding solutions - ST400/500/630A Inverter Manual Arc Welding Machine
    Yellow Goods Welding
  • MEGMEET Steel Fabrication welding solutions - ST400/500/630A Inverter Manual Arc Welding Machine
    Steel Fabrication Welding
  • MEGMEET Sea Shipping Containers welding solutions - ST400/500/630A Inverter Manual Arc Welding Machine
    Sea-shipping Containers Welding

Features

1. U-Disk Interface

Megmeet ST series MMA/SMAW Welding Machines - U-Disk Interface.png


2. RFID Card Linking

Megmeet ST series MMA/SMAW Welding Machines - RFID Card Linking.png


Technical Specification of ST series MMA/SMAW Welders

Manual ModelsST400 MMA/SMAW WeldersST500 MMA/SMAW WeldersST630 MMA/SMAW Welders
Control Mode Full DigitalFull DigitalFull Digital
Rated Input Voltage3 Phase AC 380V(±25%)3 Phase AC 380V(±25%)3 Phase AC 380V(±25%)
Input Frequency50~60Hz50~60Hz50~60Hz
Rated Input Power17.1KVA/16.3KW23.6KVA/22.2KW32.4KVA/30.4KW
Power Factor0.950.94 0.94
Efficiency0.8850.90.91
Energy EfficiencyClass AClass AClass A
Rated OCV 63V73V78V 
Rated Output Current400A500A630A
Rated Output Voltage34V40V44V
Rated Current Range30～400A 30～500A30～630A
Thrusting Current Range0～200A0～200A0～200A
Arc Initiation Current Range0～200A0～200A0～200A
Duty Cycle400A@60%500A@100%630A@100%
Protection Against LighteningClass DClass DClass D
Insulation GradeF（Reactor H）F（Reactor H）F（Reactor H）
Ingress ProtectionIP23IP23IP23
Working Temperature-10℃~+40℃-10℃~+40℃-10℃~+40℃
Dimension (L×W×H)684×320×580mm684×320×580mm684×320×580mm
Gross Weight34kg37kg38kg
Extended Function


SMARC Welding System（Optional）√√√
USB Upgrade√√√


Solutions & Case Studies
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