ST400/500/630A Series Manual Arc Welding Machine

Full Digital IGBT Inverter Manual Arc Welding Machine

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 has gouging function(maximum 12mm carbon rod for ST630)

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

Specification User Manual

Megmeet ST400/500/630A Inverter Manual Arc Welding Machine

Application & Industries

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

Shipbuilding Welding
Yellow Goods Welding
Steel Fabrication Welding
Sea-shipping Containers Welding

Features

1. U-Disk Interface

To ensure customers conveniently obtain Megmeet's foremost welding programs and function customization;
The welding machine can be upgraded through a U disk.

Megmeet ST Manual Arc welding machine U-Disk Interface.png

2. RFID Card Linking

RFID card swiping function enables quick linking between welding personnel and welding machines;
Coordinated with SMARC welding information cloud-platform to realize more intelligent functions such as parameter issue, welding hours statistics, welding parameter traceability, etc.

Megmeet ST Manual Arc welding machine RFID Card Linking.png

Technical Specification

Manual Models	ST400	ST500	ST630
Control Mode	Full Digital	Full Digital	Full Digital
Rated Input Voltage	3 Phase AC 380V(±25%)	3 Phase AC 380V(±25%)	3 Phase AC 380V(±25%)
Input Frequency	50~60Hz	50~60Hz	50~60Hz
Rated Input Power	17.1KVA/16.3KW	23.6KVA/22.2KW	32.4KVA/30.4KW
Power Factor	0.95	0.94	0.94
Efficiency	0.885	0.9	0.91
Energy Efficiency	Class A	Class A	Class A
Rated OCV	63V	73V	78V
Rated Output Current	400A	500A	630A
Rated Output Voltage	34V	40V	44V
Rated Current Range	30～400A	30～500A	30～630A
Thrusting Current Range	0～200A	0～200A	0～200A
Arc Initiation Current Range	0～200A	0～200A	0～200A
Duty Cycle	400A@60%	500A@100%	630A@100%
Protection Against Lightening	Class D	Class D	Class D
Insulation Grade	F（Reactor H）	F（Reactor H）	F（Reactor H）
Ingress Protection	IP23	IP23	IP23
Working Temperature	-10℃~+40℃	-10℃~+40℃	-10℃~+40℃
Dimension (L×W×H)	684×320×580mm	684×320×580mm	684×320×580mm
Gross Weight	34kg	37kg	38kg
Extended Function
SMARC（Optional）	√	√	√
USB Upgrade	√	√	√

Stock Code

ST400/500/630A Series Manual Arc Welding Machine

Application & Industries

Shipbuilding Welding

Yellow Goods Welding

Steel Fabrication Welding

Sea-shipping Containers Welding

Features

1. U-Disk Interface

2. RFID Card Linking

Technical Specification

Solutions & Case Studies

400-8898 6688