455 control card
455 Control Card
Precision Regulation | Robust Protection | Heavy-Duty Compatibility
The 455 Control Card is an advanced electronic module designed for high-power inverter welding machines in the 400–500 A class. It precisely manages arc initiation, current feedback, and fault detection to deliver consistent, high-quality welds. Built for industrial environments, this card integrates seamlessly with IGBT/MOSFET power stages and digital display modules.
🔧 Key Features:
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⚙️ Accurate Current Regulation – Closed-loop feedback maintains stable arc performance under varying load
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🔄 Multi-Mode Support – Compatible with ARC, MIG, and TIG inverter systems
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🛡️ Comprehensive Protection – Overcurrent, overvoltage, thermal shutdown, and short-circuit safeguards
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🔌 Multi-Port Connectivity – Interfaces for foot pedal, gas solenoid, display, and fan control
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🌡️ Optimized Thermal Layout – Heat-resistant PCB materials and dedicated heatsink mounting points
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💡 Status LEDs – Visual indicators for power, fault codes, and operational state
📊 Technical Specifications:
| Specification | Details |
|---|---|
| Input Voltage | 15 V–24 V DC (machine dependent) |
| Supported Welding Current | Up to 450 A |
| Control Functions | IGBT/MOSFET gate drive, fan relay, gas solenoid, display |
| Protection Mechanisms | OCP, OVP, thermal cutoff, short-circuit detection |
| PCB Construction | Double-layer FR-4, high-temperature components |
| Mounting | M4 screw holes for heatsink/bracket |
| Connector Types | 2.54 mm pitch headers, screw-terminal blocks |
🏭 Typical Applications:
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Industrial ARC/MIG/TIG inverter welders (400–500 A)
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Heavy-duty fabrication and structural welding
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Shipbuilding, pipeline, and offshore maintenance
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OEM replacement/control board for welding equipment
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Automated welding cells and robotic welding systems
455 Control Card — engineered to deliver precise control and steadfast protection in the most demanding welding environments.
