What products does Sibitweld manufacture?

Sibitweld manufactures professional welding equipment including MIG welders (250A-500A), TIG welders (200A-500A), MMA stick welders (120A-630A), plasma cutters (40A-200A), welding torches, consumables, laser welding systems, and automation solutions. We are the world's first manufacturer to implement Silicon Carbide (SiC) technology in welding equipment, delivering 30% higher efficiency and 40% lighter weight compared to traditional IGBT welders.

What is SiC (Silicon Carbide) technology in welding equipment?

Silicon Carbide (SiC) technology represents the next generation of welding equipment design. SiC semiconductors switch faster than traditional IGBT modules, resulting in more stable arcs, better efficiency (up to 90%), reduced weight (40% lighter), improved duty cycles, and lower heat generation. Sibitweld is the world's first manufacturer to successfully implement SiC technology in welding machines.

Where is Sibitweld located and how does this benefit customers?

Sibitweld's manufacturing facilities are located in Qingdao, Shandong Province, China, just 5 minutes from Qingdao Port - one of China's largest international shipping hubs. This strategic location enables faster international shipping, reduced freight costs (up to 35% savings), and seamless logistics coordination for customers in over 80 countries worldwide.

What certifications do Sibitweld products have?

All Sibitweld welding equipment is CE certified and manufactured according to ISO 9001:2015 quality management standards. Our products meet international safety and performance standards, ensuring compliance for use in Europe, North America, Australia, and other major markets worldwide. We provide comprehensive 2-year warranties on all products.

How much can I save by purchasing from Sibitweld?

Customers typically achieve 30-35% cost savings compared to equivalent Western brands, without compromising on quality. As a direct manufacturer located 5 minutes from Qingdao Port, we eliminate middleman markups and reduce shipping costs while maintaining rigorous quality control and international certifications. We also offer flexible minimum order quantities and OEM/ODM services.

Does Sibitweld offer OEM and ODM services?

Yes, Sibitweld offers comprehensive OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services. We can customize welding equipment with your brand name, specifications, colors, and packaging. Our flexible manufacturing capabilities support orders from small batches to large-scale production, with professional technical support throughout the process.

What is the warranty period for Sibitweld products?

Sibitweld provides a comprehensive 2-year warranty on all welding equipment. Our warranty covers manufacturing defects and component failures under normal use conditions. We also offer lifetime technical support and readily available spare parts to ensure long-term reliability of your equipment.

What is the minimum order quantity for Sibitweld products?

Sibitweld offers flexible minimum order quantities to accommodate different business needs. For standard models, we can accept orders starting from 10 units. For OEM/ODM customized products, the minimum order quantity typically starts from 50 units. Contact our sales team for specific requirements and volume pricing.

How long does shipping take from Sibitweld?

Shipping times vary by destination and shipping method. From our Qingdao Port location: Sea freight to North America takes 15-25 days, to Europe 25-35 days, to Southeast Asia 7-15 days, and to Australia 15-20 days. Air freight is available for urgent orders with delivery in 5-7 days worldwide. We work with major international freight forwarders to ensure reliable delivery.

What payment methods does Sibitweld accept?

Sibitweld accepts multiple payment methods including T/T (Telegraphic Transfer), L/C (Letter of Credit), PayPal, and Western Union. For established customers, we offer flexible payment terms including 30% deposit with 70% balance before shipment, or other arrangements based on order volume and business relationship.

3PH MMA 250 - Hero Section

3PH MMA 250

Three-Phase Power | Light Industrial Excellence

Robust three-phase inverter arc welding machine designed for light industrial applications. Features advanced IGBT technology with 250A output, 60% duty cycle, adjustable arc force, digital meter for precise current control, VRD protection (24V), and optional remote control for versatile welding environments.

250A

Max Output (CC)

250A@60%

Duty Cycle

12.0kg

Net Weight

Three-Phase Industrial Power

Robust 250A output with 60% duty cycle for light industrial fabrication, maintenance, repair tasks, and workshop welding projects. Compact 12kg design with 457×228×373mm dimensions and modern aesthetics. Suitable for environments with stable three-phase power supply (3-Phase AC380V ±10%).

Advanced IGBT & Digital Control

Advanced IGBT inverter technology for enhanced performance and energy efficiency. Digital meter enables precise presetting and display of welding current. Adjustable arc force allows for easy arc striking and improved weld quality with consistent reliable performance.

Intelligent Protection & Control

VRD protection (24V) with switchable function promotes safe welding practices and extends machine life. Auto voltage compensation for unstable power supply. Overload and overheat protection with IP21 protection class and Grade F insulation. Optional remote control up to 50m.

MMA 250 3-PH Technical Specifications
      
        MMA 250 3-PH Technical Specifications
        
            Parameter
            Unit
            Specification
          
            Power Supply
          
            Input Voltage Range
            V
            3-Phase 380V AC ±10%
          
            Rated Input Power
            kVA
            9.29
          
            Output Characteristics
          
            Output Current Control
            -
            Constant Current (CC)
          
            Maximum Output Current
            A
            250
          
            No-Load Voltage
            V
            76
          
            VRD Voltage
            V
            24
          
            VRD Function
            -
            Switchable
          
            Performance Specifications
          
            Rated Duty Cycle @ 40°C
            %
            60% @ 250A
          
            Technology & Features
          
            Hot Start Function
            -
            Available
          
            Standards & Certification
          
            Ingress Protection
            -
            IP21
          
            Insulation Class
            -
            Class F
          
            Physical Specifications
          
            Dimensions (L × W × H)
            mm
            457 × 228 × 373
          
            Net Weight
            kg
            12.0

MMA 250 3-PH Technical Specifications
Parameter	Unit	Specification
Power Supply
Input Voltage Range	V	3-Phase 380V AC ±10%
Rated Input Power	kVA	9.29
Output Characteristics
Output Current Control	-	Constant Current (CC)
Maximum Output Current	A	250
No-Load Voltage	V	76
VRD Voltage	V	24
VRD Function	-	Switchable
Performance Specifications
Rated Duty Cycle @ 40°C	%	60% @ 250A
Technology & Features
Hot Start Function	-	Available
Standards & Certification
Ingress Protection	-	IP21
Insulation Class	-	Class F
Physical Specifications
Dimensions (L × W × H)	mm	457 × 228 × 373
Net Weight	kg	12.0

3PH MMA 250 Three-Phase Arc Welding Machine | Light Industrial Grade

Product Overview

The 3PH MMA 250 is a robust three-phase inverter arc welding machine designed for light industrial applications. Incorporating advanced IGBT technology, it delivers consistent and efficient welding performance. Its compact size, lightweight design, and modern aesthetics make it a reliable choice for professionals seeking durability and excellent weld characteristics.

🏆 Three-Phase Efficiency: 250A Output Power

Delivers 250A maximum output at 60% duty cycle (40°C) with three-phase 380V AC operation—the optimal solution for light industrial welding operations. Advanced IGBT inverter technology ensures superior arc stability, exceptional efficiency, and reliable performance for workshop fabrication, maintenance tasks, and light industrial projects requiring stable three-phase power supply.

🎯 Designed For

Light industrial fabrication, maintenance and repair tasks, workshop welding projects, and professionals seeking reliable equipment in environments with stable three-phase power supply.

⚡ Core Technology

Advanced IGBT inverter devices for enhanced performance and energy efficiency. Features adjustable arc force, VRD protection (24V), and auto voltage compensation for consistent welding output.

🛡️ Safety First

Comprehensive protection: switchable VRD, intelligent overload and overheat safeguards, IP21 ingress protection rating, and Class F insulation for maximum operational safety and longevity.

Key Features

Light industrial engineering for consistent reliable performance

⚙️ Advanced IGBT Technology

Utilizes advanced IGBT inverter devices for enhanced performance and energy efficiency. Delivers consistent welding output with reduced power consumption for light industrial applications.

🛡️ Intelligent Protection

Features overload and overheat protection mechanisms to ensure safety and longevity. Comprehensive safeguards protect both operator and equipment during extended operation.

⚡ Adjustable Arc Force

Allows for easy arc striking and improved weld quality. Customizable arc force settings enable optimal performance across different materials and welding conditions.

🔒 VRD Protection (24V)

Voltage Reduction Device promotes safe welding practices and extends machine life by reducing no-load voltage from 76V to 24V with switchable ON/OFF control.

📊 Digital Meter

Enables precise presetting and display of welding current for accurate adjustments. Digital interface provides clear visibility and precise control for professional results.

✅ Stable & Reliable Performance

Delivers consistent welding performance, enhancing user experience. Built for dependable operation in light industrial environments with minimal maintenance requirements.

🎮 Optional Remote Control

Facilitates welding in various environments with cable lengths up to 50 meters. Remote control capability enhances operational flexibility and productivity.

🔌 Auto Voltage Compensation

Automatically compensates for voltage fluctuations, making it suitable for areas with unstable power supply. Ensures consistent performance across varying input conditions.

250A Maximum Output

Delivers 250A maximum output current with constant current (CC) control for consistent arc performance and professional-grade weld quality in light industrial applications.

⏱️ 60% Duty Cycle

Designed to handle extended welding sessions with 60% duty cycle at 250A (40°C ambient temperature), ensuring productivity with minimal downtime for light industrial tasks.

🔥 Hot Start Function

Provides extra current during arc initiation for smooth starts every time, particularly useful for difficult-to-start electrodes and ensuring easy arc ignition.

IP21 Protection

IP21 ingress protection rating and Class F insulation class ensure reliable operation in light industrial working environments with protection against solid objects and dripping water.

Constant Current Control

CC (Constant Current) output control maintains preset welding current for consistent arc performance and weld quality across varying conditions and materials.

Three-Phase Operation

3-phase 380V AC ±10% rated input voltage delivers efficient 250A performance for light industrial applications with stable three-phase power infrastructure.

Energy Efficient

9.29kVA rated input power ensures efficient operation with reduced electricity costs while maintaining professional welding performance and superior arc characteristics.

Compact & Lightweight

457×228×373mm dimensions with 12.0kg net weight provide optimal balance of durability and portability. Compact design with modern aesthetics for workshop environments.

Distinctive Design

Modern aesthetics with compact size and lightweight construction make it a perfect choice for professionals seeking reliable and efficient welding equipment.

Excellent Weld Characteristics

Delivers superior weld quality with consistent penetration and bead appearance. Advanced technology ensures professional results across various light industrial applications.

Applications

Light industrial versatility for workshop and fabrication operations

🏭 Light Industrial Fabrication

Ideal for light industrial fabrication projects requiring consistent quality. The 250A output with 60% duty cycle handles workshop welding sessions on various materials in stable three-phase power environments.

🔧 Maintenance & Repair Tasks

Perfect for maintenance and repair operations in light industrial settings. Hot start function and adjustable arc force ensure reliable performance for diverse repair tasks and equipment maintenance.

⚙️ Workshop Welding Projects

Designed for workshop welding projects requiring professional-grade performance. Digital meter and auto voltage compensation ensure precise control and consistent results in controlled environments.

🏢 Stable Three-Phase Power Environments

Optimized for use in environments with stable three-phase power supply. Three-phase 380V AC operation delivers efficient performance for light industrial applications with reliable power infrastructure.

Accessories (Optional)

Professional-grade components with customizable specifications

25mm² Pure Copper Cables (Customizable Length)

Professional-grade electrode holder and earth clamp with premium pure copper conductors. Customizable cable length for optimal reach and flexibility in light industrial operations.

Remote Control (Cable Length up to 50m)

Optional remote control system enables flexible operation from extended distances, enhancing productivity and safety in various workshop and light industrial work environments.

💡 Technical Note: 25mm² pure copper cables deliver superior electrical conductivity and extended service life compared to CCA alternatives, ensuring optimal performance for continuous 250A operations at 60% duty cycle in light industrial applications.

Summary

The 3PH MMA 250 integrates advanced IGBT inverter technology with robust light industrial construction to deliver consistent reliable performance in a 12.0kg package. Featuring 250A maximum output, 60% duty cycle at 40°C, and superior arc characteristics, this system excels in light industrial fabrication, maintenance and repair tasks, workshop welding projects, and environments with stable three-phase power supply. Key technologies include adjustable arc force, hot start function, switchable VRD protection (24V), digital meter for precise current control, intelligent voltage compensation, and comprehensive overload/overheat safeguards. IP21 protection and Class F insulation ensure reliable operation in light industrial environments. Compact dimensions (457×228×373mm) with modern aesthetics and lightweight construction deliver optimal portability. Three-phase 380V AC ±10% operation with 9.29kVA rated input power provides efficient performance for light industrial applications. Optional accessories feature 25mm² pure copper cables (customizable length) and remote control capability (up to 50m cable length) for enhanced operational flexibility. Constant current control maintains precise welding parameters for consistent arc performance and excellent weld quality. The 3PH MMA 250 represents the ideal three-phase welding solution for professionals requiring reliable 250A power, superior performance, and light industrial versatility.

🏆 Three-Phase Efficiency: 250A Light Industrial Power

The 3PH MMA 250 delivers consistent 250A maximum output at 60% duty cycle—the optimal three-phase welding solution for light industrial fabrication, workshop projects, maintenance operations, and professional applications requiring reliable performance with stable three-phase power infrastructure.

Why Choose Sibit Welding Equipment?

Partner with Sibit for industry-leading welding equipment that delivers precision, reliability, and performance in every weld.

Core Advantages

Precision Engineering

Experience superior weld quality through meticulously engineered equipment designed to deliver consistent, accurate results in every application.

Advanced Technology

Boost productivity and efficiency with cutting-edge welding technology that streamlines operations and maximizes output.

Reliable Performance

Count on uninterrupted operation with robust equipment built for demanding industrial environments and continuous use.

Key Benefits

Comprehensive Range

Access a complete selection of equipment and accessories tailored to meet all your welding requirements and applications.

Expert Support

Benefit from dedicated technical assistance and professional service ensuring optimal performance and maximum uptime.

Proven Excellence

Trust in equipment backed by rigorous quality control and industry-leading standards for consistent results.

Partner with Sibit for Excellence

Discover industry-leading welding equipment that delivers precision, reliability, and performance in every weld. Our commitment to quality and innovation ensures your success.

Contact us today to learn more about our products and how they can transform your welding operations and drive business growth.