ZD7-1250G Digital IGBT Inverter DC Submerged Arc Welding Power Source For Heavy Fabrication Description:
The ZD7-1250G Digital IGBT Inverter DC Submerged Arc Welding Power Source is a high-performance Submerged Arc Welding Machine designed for heavy-duty industrial welding applications requiring exceptional arc stability, high efficiency, and continuous operation. Utilizing advanced Digital DSP intelligent control technology and IGBT inverter technology, this Submerged Arc Welder delivers precise output regulation, superior welding quality, and reliable performance in demanding production environments.
The ZD7-1250G Submerged Arc Welding Power Source features high-precision digital inverter control, ensuring stable arc output and outstanding welding consistency. With a 100% rated duty cycle, the machine is ideal for long-duration, high-current continuous welding operations, significantly improving productivity in large-scale fabrication projects.
Equipped with an intelligent Digital DSP control system, the machine offers automatic fault diagnosis and fault code display, enabling fast troubleshooting and reducing maintenance downtime. The advanced inverter design achieves an efficiency of up to 90% and a power factor of 0.91, providing excellent energy savings while minimizing impact on the power grid.
The built-in wide voltage compensation function automatically adapts to power fluctuations within ±20%, ensuring stable welding performance even under unstable power supply conditions. This makes the ZD7-1250G SAW Welding Machine highly reliable for industrial sites and heavy fabrication workshops.
Suitable for welding mild steel, alloy steel, stainless steel, and heat-resistant steel, this Digital DC Submerged Arc Welding Power Source is widely used in steel structure fabrication, shipbuilding, pressure vessel manufacturing, wind tower production, bridge construction, pipeline engineering, and heavy industrial manufacturing.
ZD7-1250G Digital IGBT Inverter DC Submerged Arc Welding Specification:
| Mode | ZD7-1000G | ZD7-1250G | ZD7-1600G |
| Control mode | Digital IGBT control | ||
| Rated input voltage | AC380V Three-phase | ||
| Input power frequency | 50 | ||
| Rated input capacity | 54 | 67 | 89 |
| Rated output current | DC 1000 | DC 1250 | DC 1600 |
| Rated output voltage | 44 | ||
| Rated duty cycle | 100 | ||
| Rated no-load voltage | 71 | ||
| Output current range | DC 100-1000 | DC 100-1250 | DC 100-1600 |
| Output voltage range | DC 24-44 | ||
| Enclosure protection grade | IP23S | ||
| Insulation grade | 200°C ( Main transformer grade F ) | ||
| Cooling mode | Forced air cooling | ||
| Overall dimension( WxDxH ) | 427 x 810 x 1000 | 427 x 810 x 1000 | 519*931*1008 |
| Weight | 132 | 138 | 150 |
| Electromagnetic compatibility | Class A | ||
Standard Accessories
Earth clamp cable 5m
Welding Tractor cable 15m
Welding Tractor
Optional Accessories
Welding tractors of different types
Digital 1250A SAW Welding Machine Feature:
Digital inverter control, high control precision, and stable arc output.
The rated duty cycle is as high as 100%, which is suitable for long-term and high-current continuous welding.
Digital DSP intelligent control. Automatic fault identification, fault code prompt.
It features electric power conservation, economical and environment-friendly, the efficiency of which is up to 90% and the power factor up to 0.91, and has less impact on the power grid.
It has the function of compensation for voltage fluctuation from the power grid with a wide range of voltage adaptation (+20%)
About ALAND WELDING:
Founded in 2012, BEIJING ALAND WELDING is a professional manufacturer and global supplier of advanced welding equipment and solutions.
We integrate R&D, manufacturing, and international export, delivering high-performance welding machines designed to make welding more efficient, precise, and reliable.
With a strong focus on technology and product quality, ALAND provides professional welding solutions for industrial users around the world.
Product Portfolio
Our comprehensive product range includes:
Pulse MIG/MAG Welding Machines
AC/DC TIG Welders
MMA (Stick) Welders
Multi-Function Welding Machines
Plasma Cutting Machines
Submerged Arc Welding Equipment
Laser Welding / Cutting / Cleaning Machines
Complete Welding Accessories and Consumables
If you are interested in our products or plan to import the ZD7-1250G Submerged Arc Welding Power Source and other construction products, please feel free to contact us. Looking forward to long-term cooperation with you.
