MMA/ARC EZ 450

The MMA/ARC EZ 450 welding machine is a high-performance inverter-based arc welder designed for demanding industrial and fabrication tasks.

🔧 Key Features

Output Current: 20–350 Amps, suitable for welding thick and heavy-duty materials.
Inverter Technology: Utilizes advanced IGBT modules for stable arc performance and energy efficiency.
Multi-Phase Input: Compatible with single-phase, two-phase, and three-phase power supplies (typically 220V/380V), offering flexibility across job sites.
Digital Display: Allows precise control and monitoring of amperage settings.
VRD (Voltage Reduction Device): Enhances operator safety by reducing open-circuit voltage when idle.
Arc Force & Hot Start: Adjustable settings improve arc ignition and stability, especially with difficult electrodes.
Anti-Stick Function: Prevents electrode sticking and improves weld quality.
Heavy-Duty Build: Rugged metal housing with enhanced cooling vents for continuous operation.

📐 Technical Specifications

Parameter	Value
Output Current Range	20 A – 350 A
Input Voltage	220V/380V (1/2/3 Phase)
Frequency	50/60 Hz
Duty Cycle	~60% @ 300 A, ~30% @ 350 A
Open Circuit Voltage (OCV)	~70–75 V
VRD Voltage	< 35 V
Power Factor	≥ 0.90
Efficiency	~85%
Cooling	Forced Air
Protection Features	Overheat, Over/Under Voltage, Single Phasing
Weight	~10–18 kg (varies by model)
Enclosure Class	IP21 or higher

🛠️ Applications

Ideal for MMA (Stick) welding in construction, shipbuilding, heavy fabrication, and repair work.
Compatible with a wide range of electrodes including cellulose, basic, and rutile types.
Suitable for welding mild steel, stainless steel, cast iron, and other ferrous metals.

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