NIETZ WELDING MACHINE C/W ACC MMA 250G

Product Overview
The NIETZ MMA 250G portable inverter welding machine incorporates advanced features designed to make Manual Metal Arc (MMA) stick welding simple, stable, and highly efficient. It delivers a high-quality, safe weld and is optimized for both acid and basic type electrodes. Its compact build and powerful output make it an economical choice for fabrication, repairs, workshops, and outdoor job sites.

Key Features
-Advanced IGBT Inverter: Ensures high efficiency, smoother arc stability, and consistent performance.
-User-Friendly Design: Compact footprint, lightweight (7.0 kg), and incredibly simple to operate.
-Continuous Welding: Efficiently handles 2.5mm and 3.2mm welding rods continuously.
-Built-in Protection: Outfitted with automatic overheat and overcurrent self-protection systems for user safety.
-No Gas Required: Operates strictly via stick electrode welding without needing external gas shielding.

Standard Accessories Included (C/W ACC)
-1 x Earth Clamp (300A) with 3-meter cable
-1 x Electrode Holder (300A) with 3-meter cable

Technical Data Specifications
-Input Voltage :Single Phase AC 220V (50/60Hz)
-Input Power :9.6 kW
-Rated Input Current :43.6 A
-Output Current Range :30 A ~ 190 A
-Rated Output Voltage :28 V
-No-load Voltage / Loss :58 V / 40 W
-Rated Duty Cycle :60%
-Protection & Insulation :IP21 S / Grade F
-Net Weight :7.0 kg
-Machine Dimensions :395 x 178 x 290 mm ±

产品概述
NIETZ MMA 250G 是一款采用先进 IGBT 逆变技术的专业级便携式电焊机。其型号中注明的 "C/W ACC" 表示随机附带全套标准焊接配件（包括3米长的接地夹和电焊钳）。该设备旨在简化手工电弧焊（MMA）的操作流程，提供高品质、安全且稳定的焊接体验，适用于酸性和碱性等多种类型的焊条。

核心特点
-先进 IGBT 逆变技术： 确保电弧稳定、飞溅小，提供高效且连续的优异焊接性能。
-轻巧便携与易用性： 机器体积小、重量轻（约 7.0 公斤），操作极其简便，经济实用。
-连续焊接能力： 支持 2.5mm 至 3.2mm 直径的焊条进行长时间连续焊接。
-智能安全防护： 内置自动过热和过流自我保护功能，全方位保障作业安全。
-无需气体： 属于纯手工焊条焊接（MMA），作业时无需外接任何保护气体。

随机附带标准配件 (C/W ACC)
-1 x 300A 接地夹（配 3 米焊接电缆）
-1 x 300A 电焊钳（配 3 米焊接电缆）

核心技术参数
-输入电压:单相 AC 220V (50/60Hz)
-输入功率:9.6 kW
-额定输入电流:43.6 A
-输出电流调节范围:30 A ~ 190 A
-额定输出电压:28 V
-空载电压 / 空载损耗:58 V / 40 W
-额定负载持续率:60%
-防护与绝缘等级:IP21 S / F级
-机器净重:7.0 kg
-外形尺寸:395 x 178 x 290 mm ±