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WELDMAN WELDING MACHINE MMA-255 ROBOT
- Brand: Weldman (Manufactured by Krishna Electricals)
- Model No.: MMA-255 (also frequently listed as ARC-255)
- Product Type: MMA ARC Welding Machine (Shielded Metal Arc Welding - SMAW / "Stick Welding")
- Output Current: 255 Amperes (Amp) - This is the maximum welding current.
- Technology: IGBT (Insulated Gate Bipolar Transistor) Inverter Technology. This makes the machine compact, lightweight, energy-efficient, and provides a stable arc.
- Supply Voltage: Dual voltage compatible: 380V/220V 50Hz (Single Phase). This allows it to operate on common household/light industrial 220V power and higher industrial 380V power.
- No Load Voltage: 60V
- Input Capacity: 42A
- Rated Power: 9.3 KVA
- Frequency: 50/60 Hz
- Phase: 1 Phase (Single Phase)
- Electrode Diameter Compatibility: 2.5 mm to 3.2 mm (commonly listed).
- Current Range: Often listed as 201-300 Amp (though the machine's maximum is 255A).
- Efficiency: >85%
- Insulation Class: F
- Protection Class: IP21S (Protected against solid objects greater than 12mm and against vertically dripping water).
- Weight (Approx.): 6.5 Kg. This lightweight design greatly enhances portability.
- Dimensions (L x W x H): Approximately 310 mm x 230 mm x 255 mm.
- Duty Cycle: 0.6 (or 60%). This means it can operate at its maximum rated current (255A) for 6 minutes out of every 10-minute period before a cooling-off period is required.
- Invert Frequency: 20 KHz
- Country of Origin: India (as per most Indian vendor listings).
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