Welding Power Source & Torch
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This page explains how Power Source Unit is classified within Fabricated Metal Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
The electrical power conversion and control component within a welding system that provides regulated current and voltage for the welding arc.
Technical details and manufacturing context for Power Source Unit
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Input Voltage | 380 ±10% V AC | Three-phase, 50/60 HzIEC 60974-1 |
| Rated Input Current | 20–60 A | At rated outputIEC 60974-1 |
| Rated Output Current | 100–500 A | At 60% duty cycleIEC 60974-1 |
| Rated Output Voltage | 20–40 V | Corresponds to arc lengthIEC 60974-1 |
| Duty Cycle | 60 % | At rated current, 10 min cycleIEC 60974-1 |
| Open Circuit Voltage | 60–80 V | Safety limit per standardIEC 60974-1 |
| Efficiency | 85–92 % | At rated output |
| Power Factor | 0.85–0.95 | At rated output |
| Operating Temperature Range | -10–40 °C | AmbientIEC 60974-1 |
| Storage Temperature Range | -20–55 °C | Non-condensing |
| Protection Class | IP23 | Protected against water sprayIEC 60529 |
| Insulation Class | F | 155°C max hot spotIEC 60085 |
| Weight | 30–80 kg | Depends on rated current |
| Dimensions (L×W×H) | 500×300×400–800×500×600 mm | Approximate, varies with model |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
| pressure: | N/A (electrical component, not fluid handling) |
| other spec: | Input Voltage Range: 200-600V AC, 50/60Hz ±10%; Output Current Range: 10-600A DC; Duty Cycle: 60% at max rated output |
| temperature: | 0°C to 40°C (operating ambient), -20°C to 70°C (storage) |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
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Manufacturer profiles associated with Power Source Unit.
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It converts input electrical power into the specific type, voltage, and amperage required for the welding arc, ensuring a stable and controllable output for processes like SMAW, GMAW, and GTAW.
Typical input is three-phase 380 V AC ±10% at 50/60 Hz, with input current 20–60 A. Output current ranges from 100–500 A at 60% duty cycle, output voltage 20–40 V, and open-circuit voltage 60–80 V. These are reference ranges; confirm with the manufacturer.
The unit is designed to meet IEC 60974-1 for welding power sources and IEC 60529 for protection class (IP23). Compliance should be verified with the legal manufacturer or supplier.
Materials include electrical steel for transformer cores, copper for windings, aluminum for heat sinks, electronic components, insulating materials, and steel for the chassis and enclosure.
This component is essential for the following industrial systems and equipment:
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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