Here is the rewritten and improved English version of the provided content, with additional details to make it more natural and human-like, exceeding 500 characters:
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1. Utilizes inverter technology with IGBT dual modules for energy efficiency.
2. Reactors and transformers are all made with copper wire for better performance.
3. The actual input current matches the specified value for accurate operation.
4. Compact design, lightweight, high reliability, and excellent welding results.
5. All products support OEM customization.
6. Warranty: One year on the entire unit and PC board; we also provide spare parts valued at 4% of the total amount for maintenance.
Features:
1. Strong arc self-adjustment for stable welding.
2. Supports frequent welding with minimal spatter and high metal melting efficiency.
3. Low distortion and fine weld seams for professional results.
4. Offers protection against phase loss, overheating, overcurrent, and voltage fluctuations.
5. Can weld thin steel frames using solid-core wires of Φ0.8mm and Φ1.0mm.
6. Widely used in automotive manufacturing, small workpiece processing, upholstery, and maintenance.
7. Operates well under ±20% voltage fluctuations.
8. Supports MMA/MAG welding methods.
Technical Parameters:
Company Description:
Sichuan Morrow Welding Development Co., Ltd. (MORROW WELDING) is a high-tech enterprise specializing in the research, development, production, and sales of IGBT series inverter welding equipment. We have established the Morrow Inverter Power Research Institute to focus on advanced inverter welding machine development and innovation. Our company is committed to providing customized solutions based on customer requirements. All our products comply with ISO9001:2000 quality standards and hold the "CCC" certificate. With a business philosophy centered on Quality, Performance, and Service, we strive to deliver reliable and efficient welding equipment to both domestic and international clients.

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Model NO.: NB-250J
Trademark: MORROW
Origin: China
HS Code: 8515390000
Model NO.: NB-250J
Trademark: MORROW
Origin: China
HS Code: 8515390000
Product Description:1. Utilizes inverter technology with IGBT dual modules for energy efficiency.
2. Reactors and transformers are all made with copper wire for better performance.
3. The actual input current matches the specified value for accurate operation.
4. Compact design, lightweight, high reliability, and excellent welding results.
5. All products support OEM customization.
6. Warranty: One year on the entire unit and PC board; we also provide spare parts valued at 4% of the total amount for maintenance.
Features:
1. Strong arc self-adjustment for stable welding.
2. Supports frequent welding with minimal spatter and high metal melting efficiency.
3. Low distortion and fine weld seams for professional results.
4. Offers protection against phase loss, overheating, overcurrent, and voltage fluctuations.
5. Can weld thin steel frames using solid-core wires of Φ0.8mm and Φ1.0mm.
6. Widely used in automotive manufacturing, small workpiece processing, upholstery, and maintenance.
7. Operates well under ±20% voltage fluctuations.
8. Supports MMA/MAG welding methods.
Technical Parameters:
Name | NB-250J |
Power Source/Frequency | 3-phase 380V/415V | 50/60Hz |
Rated Input Power | 8.1KVA |
Rated Input Current | 12.4A |
Welding Current/Voltage | 250A / 27V |
Welding Current | 250A @ 60% DE |
 | 190A @ 100% DE |
No-Load Voltage (MAX) | 60–70V |
Voltage Adjustment Range | 14–30V |
Efficiency | 85% |
Wire Diameter | Φ0.8, Φ1.0mm |
Weight | 28kg |
Wire Feeder Weight | 16kg |
Dimensions (mm) | 510×200×440 |
Company Description:
Sichuan Morrow Welding Development Co., Ltd. (MORROW WELDING) is a high-tech enterprise specializing in the research, development, production, and sales of IGBT series inverter welding equipment. We have established the Morrow Inverter Power Research Institute to focus on advanced inverter welding machine development and innovation. Our company is committed to providing customized solutions based on customer requirements. All our products comply with ISO9001:2000 quality standards and hold the "CCC" certificate. With a business philosophy centered on Quality, Performance, and Service, we strive to deliver reliable and efficient welding equipment to both domestic and international clients.

--- Let me know if you'd like this adapted for a specific platform or audience!
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