MMA Welder Portable MMA Inverter Welding Machine with 18 Months Warranty
1. Brief Introduction
The Compact MMA Welder Portable Inverter Welding Machine is a pinnacle of modern welding technology, crafted with top-tier imported IGBT and rapid recovery diodes as its core electrical components. Enhanced by a precisely engineered main PCB board, it delivers consistent welding current regulation, ensuring an outstanding arc with remarkable adaptability to various welding processes. Its superb dynamic protection features offer unmatched safety and reliability, making it an ideal choice for welding low carbon steel, stainless steel, and alloy steel with unparalleled precision.
MMA Features:
1. Exceptional high duty cycle of 25%, ensuring reliable and continuous operation.
2. Significantly reduced operating costs thanks to its highly portable, compact design with superior output performance.
3.
3. Impressive arc characteristics with outstanding solution droplet transfer for flawless results.
4. Comprehensive protection against overheating, over-voltage, and over-current ensures user safety and device longevity.
5. Digital display for enhanced user interface, available exclusively in plastic shell models.
6.
6. Ergonomically designed plastic handle for effortless transportation.
7.
7. Swift and secure operations enabled by quick-connect output terminals.
*NOTES: Specifications are subject to change without prior notice to accommodate enhancements and improvements, ensuring the latest technology and superior performance.
2. Technical Description
2.1 Environment
* The welder operates efficiently within a temperature range of -10ºC to 40ºC, ensuring adaptability to various environmental conditions.
* During storage and transportation, the temperature should range between -25ºC and 55ºC for optimal preservation.
* Maintains functionality with a relative humidity of 50% at 40ºC and 90% at 20ºC, showcasing resilience in diverse climates.
* Requires ambient air with minimal dust, acids, and corrosive gases, except those intrinsic to the welding process, to maintain optimal performance.
* Capable of performing at altitudes up to 1 km, affirming its versatility for different geographical locations.
* Ensure optimal ventilation with a clearance of 50cm around the device, promoting efficient thermal management.
* Position in areas with a wind speed of at least 1m/s for enhanced cooling and performance stability.
2.2 Input Power
* Designed to operate on a power supply with a sine wave, accommodating frequency fluctuations within ±1% of its rating for consistency.
* Input voltage variations should remain within ±10% of the rated value to ensure consistent and reliable performance.
2.3 Equipment Principle
*NOTES: Leveraging advanced inverter technology, the welder's core components are configured as follows:
Rectifier → Filter → IGBT → Transformer → Rectifier → Choke, epitomizing efficiency and precision in welding technology.
2.4 Equipment Structure
The MMA Inverter DC Welder boasts a portable cabinet design. Its front panel includes a welding current adjustment knob, a green power indicator, and a yellow abnormal indicator. The output terminals feature quick connectors for both '+' and '-'. On the back panel, you'll find the power switch, motor fan, and input power cable. Inside, the device is comprised of the PCB main board, a variety of electronic components,and a radiator, all meticulously arranged for optimal performance and durability.
2.5 Guide for Marking Models
For example, MMA-160 denotes an Inverter MMA (Manual Metal Arc Welding) machine with a rated output current of 160A, allowing easy identification of its capacity and capabilities..
2.6 Parameter
| Item/Model |
MMA-120 |
MMA-140 |
MMA-160DS |
MMA-180DS |
MMA-200DS |
MMA-220DS |
| Rated Input Voltage (V) |
230±10% |
230±10% |
230±10% |
230±10% |
230±10% |
230±10% |
| Frequency (Hz) |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
| Rated Input Capacity (KW) |
5.0 |
5.9 |
6.9 |
7.8 |
9.2 |
9.5 |
| Rated Input Current (A) |
21.8 |
26 |
30 |
34 |
40 |
49 |
| Rated Duty Cycle |
40% @ 120A |
40% @ 140A |
40% @ 160A |
40% @ 180A |
40% @ 200A |
40% @ 220A |
| No Load Voltage (V) |
67 |
67 |
67 |
67 |
67 |
67 |
| Output Current Range (A) |
10~120 |
10~140 |
10~160 |
10~180 |
10~200 |
10~220 |
| Efficiency (%) |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
| Protection Class |
IP21S |
IP21S |
IP21S |
IP21S |
IP21S |
IP21S |
| Insulated Grade |
H |
H |
H |
H |
H |
H |
| Electrode Size (mm) |
1.6~3.2 |
1.6~3.2 |
1.6~4.0 |
1.6~4.0 |
1.6~4.0 |
1.6~5.0 |
| Cooling Type |
AF |
AF |
AF |
AF |
AF |
AF |
| Overall Dimension (mm) |
312*120*183 |
312*120*183 |
312*120*183 |
312*120*183 |
312*120*183 |
312*120*183 |
| Net Weight (KG) |
3.5 |
3.5 |
3.7 |
3.8 |
4.2 |
5.0 |
| Item/Model |
MMA-145H |
MMA-160H |
MMA-200H |
MMA-160HL |
MMA-200HL |
| Rated Input Voltage (V) |
230±10% |
230±10% |
230±10% |
110\220±10% |
110\220±10% |
| Frequency (Hz) |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
| Rated Input Capacity (KW) |
6.6 |
6.9 |
9.2 |
6.9 |
8.1 |
| Rated Input Current (A) |
30 |
34 |
40 |
34 |
40 |
| Rated Duty Cycle |
60% @ 145A |
60% @ 160A |
60% @ 200A |
60% @ 160A |
40% @ 190A |
| No Load Voltage (V) |
67 |
67 |
67 |
85 |
85 |
| Output Current Range (A) |
10~145 |
10~160 |
10~200 |
110V:10~120
220V: 10~160 |
110V:10~120
220V: 10~190 |
| Efficiency (%) |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
| Protection Class |
IP21S |
IP21S |
IP21S |
IP21S |
IP21S |
| Insulated Grade |
H |
H |
H |
H |
H |
| Electrode Size (mm) |
1.6~3.2 |
1.6~4.0 |
1.6~5.0 |
1.6~4.0 |
1.6~4.0 |
| Cooling Type |
AF |
AF |
AF |
AF |
AF |
| Overall Dimension (mm) |
312*120*183 |
378*120*183 |
420*148*216 |
378*120*183 |
420*148*216 |
| Net Weight (KG) |
4.6 |
4.8 |
7.3 |
4.8 |
5.2 |
| Item/Model |
MMA-140D |
MMA-160D |
MMA-160G |
MMA-200G |
| Rated Input Voltage (V) |
110±10% |
110±10% |
230±10% |
230±10% |
| Frequency (Hz) |
50/60 |
50/60 |
50/60 |
50/60 |
| Rated Input Capacity (KW) |
4.5 |
8.1 |
5 |
6 |
| Rated Input Current (A) |
38 |
5.5 |
21 |
28 |
| Rated Duty Cycle |
40% @ 120A |
40% @ 140A |
25% @ 120A |
25% @ 150A |
| No Load Voltage (V) |
85 |
85 |
61 |
61 |
| Output Current Range (A) |
10~120 |
10~140 |
10~120 |
10~150 |
| Efficiency (%) |
≥85 |
≥85 |
≥85 |
≥85 |
| Protection Class |
IP21S |
IP21S |
IP21S |
IP21S |
| Insulated Grade |
H |
H |
H |
H |
| Electrode Size (mm) |
1.6~3.2 |
1.6~4.0 |
1.6~3.2 |
1.6~4.0 |
| Cooling Type |
AF |
AF |
AF |
AF |
| Overall Dimension (mm) |
312*120*183 |
312*120*183 |
312*120*183 |
312*120*183 |
| Net Weight (KG) |
3.5 |
3.8 |
3 |
3.2 |
2.7 Standard
* EN 60974-1: Complies with Arc Welding Machine Standards, assuring quality and safety.
* JB / T 7824-95: Adheres to Technical Conditions of Inverter Arc Welding Rectifier, ensuring precision and efficiency.
* GB 4208-93: Meets Protection Class (IP Code), providing robust defense against environmental factors.
3. Interconnection Diagram
Explore the Intricate Circuit Schematic of the INARC Welder: A glimpse into the meticulous design and engineering prowess behind the reliable performance of your welding companion.
(Please note that figures are for reference only and may be subject to change without prior notice, ensuring continual enhancements for your benefit.)
4. Transportation and Storage
* This machine is exclusively crafted for indoor use, necessitating vigilant protection against rain and snow during both transportation and storage. Careful handling is imperative, especially with packages adorned with cautionary labels. The storage environment should be maintained as a dry, well-ventilated haven, free from the invasion of corrosive gases or dust. Preserve temperatures within a comforting range of -25ºC to 55ºC with relative humidity maintained under 90%.
* Should the need for extended storage arise post-unpacking, it's essential to repack the components meticulously following the original packaging guidelines. Ensure the product remains pristine, encapsulated in protective plastic bags before embarking on its storage journey.
* Safeguard the integrity of cartons and shock blocks for robust packaging during extensive transportation. For extended voyages, wooden crates are recommended, with packages clearly marked with 'up' or 'rain' symbols, ensuring handling with the utmost care.
5. Quality Warranty
Operating the machine with strict adherence to the comprehensive guidelines within the operation manual,and ensuring compliance with specified rules for installation, storage, usage, and maintenance,the manufacturer pledges to deliver complimentary services to usersfor a substantial period of 12 months post-purchase, as corroborated by the purchase invoice date.
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