Welding Power Source & Torch for Arc Welding

Product Specifications

Technical details and manufacturing context for Welding Power Source & Torch

Definition

Within a Frame Welding Station, the Welding Power Source & Torch is the core operational component responsible for generating and controlling the electrical arc used to join metal frame components. The power source converts input power to the appropriate voltage, current, and waveform for the welding process (e.g., MIG/MAG, TIG), while the torch directs the arc, delivers shielding gas, and feeds consumable electrode wire to the weld joint. This component is classified as a part within the fabricated metal product manufacturing industry, specifically for arc welding applications. The power source accepts three-phase AC input at 380 V ±10% (IEC 60974-1) and draws 20–60 A at rated output. It provides a rated output current of 50–500 A, depending on duty cycle, with a 60% duty cycle at 40°C ambient. Open circuit voltage is limited to 50–70 V DC for safety. The unit supports wire feed speeds of 1.5–15 m/min for MIG/MAG and accommodates wire diameters from 0.8 to 1.6 mm (ISO 544). Cooling is forced air (F), insulation class H (180°C, IEC 60085), and protection rating IP23S (IEC 60529). Operating temperature range is -10 to 40°C, with derating above 40°C. The power source alone weighs 35–60 kg, with typical dimensions of 600×300×500 mm (L×W×H). Materials include copper for conductors and contact tips, thermoplastic/composite for the torch body, and steel for internal components and casing. All listed standards (IEC 60974-1, ISO 544, IEC 60085, IEC 60529) serve as procurement references; actual compliance must be verified with the manufacturer. For any specific model, confirm rated values, duty cycle, and environmental limits with the supplier.

Working Principle

The power source takes primary AC power, rectifies and conditions it to produce a stable DC or AC output with precise control over amperage and voltage. When the trigger on the torch is activated, this electrical potential is applied between the torch's contact tip/electrode and the workpiece, creating a sustained electric arc. The intense heat of the arc melts the base metals and the filler wire (if used), forming a molten weld pool. Shielding gas expelled from the torch nozzle protects the pool from atmospheric contamination as it solidifies.

Common Materials

Copper (conductors, contact tips), Thermoplastic/Composite (torch body), Steel (internal components, casing)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Input Voltage	380 ±10% V AC	Three-phase; other voltages on requestIEC 60974-1
Rated Input Current	20–60 A	At rated outputIEC 60974-1
Rated Output Current	50–500 A	Duty cycle dependentIEC 60974-1
Duty Cycle	60 %	At 60% duty cycle, 40°C ambientIEC 60974-1
Open Circuit Voltage	50–70 V DC	Safety limit per standardIEC 60974-1
Wire Feed Speed	1.5–15 m/min	Adjustable for MIG/MAG
Wire Diameter	0.8–1.6 mm	Compatible with standard spoolsISO 544
Cooling Method	F	F = forced air; W = water optionalIEC 60974-1
Insulation Class	H	Class H (180°C)IEC 60085
Protection Rating	IP23S	Protected against spraying waterIEC 60529
Operating Temperature	-10–40 °C	Derate above 40°CIEC 60974-1
Weight	35–60 kg	Power source only, torch excluded
Dimensions (L×W×H)	600×300×500 mm	Typical; varies by model

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Power Source Unit
Converts input power to controlled welding output; houses controls, wire feeder, and gas solenoid.

Material: Steel sheet (enclosure), Copper (transformers/rectifiers)
Welding Torch (Gun)
Handheld device for directing the arc, feeding wire, and delivering shielding gas to the weld zone.

Material: Thermoplastic (handle/body), Copper alloy (contact tip, nozzle)
Work Clamp (Ground Clamp)
Completes the electrical circuit by connecting the power source's negative terminal to the workpiece.

Material: Copper alloy (jaws), Steel (spring, handle)

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Frame Welding Station

View system integration details

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Frequently Asked Questions

What is the rated input voltage for this welding power source?

The rated input voltage is 380 V AC ±10%, three-phase, as listed in the directory. Other voltages may be available on request, but you must confirm with the manufacturer for your specific model.

What is the duty cycle and what does it mean?

The duty cycle is 60% at 40°C ambient, meaning the unit can operate at rated output for 6 minutes out of a 10-minute cycle without overheating. For continuous operation, you may need to reduce the output current or improve cooling.

What wire diameters and feed speeds are supported?

The unit supports wire diameters from 0.8 to 1.6 mm (ISO 544) and wire feed speeds adjustable from 1.5 to 15 m/min for MIG/MAG processes. These values are typical; check the manual for exact ranges.

What safety standards apply to this equipment?

The directory lists IEC 60974-1 for arc welding equipment, IEC 60085 for insulation class H, and IEC 60529 for protection rating IP23S. These are reference standards; actual compliance must be verified with the manufacturer or supplier.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	N/A (electrical device, not pressure-rated)
other spec:	Duty cycle: 60% at rated output, Input voltage: 200-600V AC 3-phase, Output current: 50-500A DC
temperature:	-10°C to +40°C operating, -20°C to +55°C storage

Welding Power Source & Torch

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards