Suvirinimo komplektas

ESAB ESAB LAF 635 DC und PC A"-A6

SAW Welding System (Submerged Arc Welding)

with Process Controller A2–A6 and ESAB LAF 635 DC
Year of manufacture: 2000
Condition: good, operational (from educational institution)

For sale is a powerful submerged arc welding system (SAW), consisting of the ESAB LAF 635 DC power source and A2–A6 process controller (depending on version, with PEH/PEK system). The system comes from an educational institution and was predominantly used in training operations – meaning it was typically well-maintained and regularly inspected.

Ideal for automated/mechanised submerged arc welding, e.g., in steel construction, tank/vessel fabrication, pipe/profile manufacturing, or hardfacing (depending on welding head, tractor or portal – if available).

Technical Data – ESAB LAF 635 DC (Power Source)

Device type: remotely controlled 3-phase DC welding power source for SAW or mechanised MIG/MAG

Power supply: 400/415 V, 3~ 50 Hz (alternatively 440 V, 3~ 60 Hz)

Duty cycle:

630 A / 44 V at 100%

Adjustment range: 75 A / 18 V to 800 A / 44 V (46 V)

Open circuit voltage: 54 V

No-load power: 150 W

Efficiency: 0.84

Power factor (cos φ): 0.90

Protection class: IP23

Weight: approx. 260 kg

Dimensions (L × W × H): 652 × 483 × 800 mm (or 652 × 483 × 916 mm incl. base)

Fusing/Mains data (reference per manual): e.g. 63 A slow-blow, supply cable 4 × 16 mm², mains current at 100% 52 A (at 400/415/440 V)

Technical Data – A2–A6 Process Controller (PEH / A2–A6)

The A2–A6 Process Controller is used for process control/regulation of the mechanised welding system and is designed for SAW operation.
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Rated voltage (supplied from power source): 42 V AC, 50/60 Hz

Rated power: max. 900 VA

Motor connections: for ESAB A2 or A6 motors

Motor current: 5 A continuous, max. 10 A

Wire feed control: internal EMF control or with AC tachometer (6 pulses/rev)

Condition & Origin

Good, well-maintained condition (training environment)

System is fundamentally designed for industrial use (mechanised SAW/MIG/MAG)

Includes:
• ESAB LAF 635 DC power source
• A2–A6 process controller (operator/control unit)

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