TAF 801 and 1251
Square wave AC power sources that convert the secondary voltage from a sinus wave via a thyristor controlled rectifier bridge to a square wave arc voltage with excellent strike characteristics and good welding properties.
Features
- Used in combination with ESAB’s A2-A6 equipment range and the A2-A6 Process Controllers (PEK)
- Capacity for continuous welding
- Optimized open circuit voltage
- Compensation of mains supply fluctuation
- Voltage drop compensation for long welding cables
- High power factor ensuring low power consumption
- Prepared for Scott connection of two power sources
Welding Process
- SAW - Submerged Arc Welding
Power Specifications
| Frequency | 50 Hz |
| Mains Supply | 400/415/500 V |
| Phase | 1 |
| Frequency | 60 Hz |
| Mains Supply | 400/440/550 V |
| Phase | 1 |
| Application Class | S |
| Efficiency | 86 % |
| Enclosure Class | IP23 |
| Open Circuit Power | 230 A |
| Model | TAF 801 |
| Open Circuit Voltage | 71 V |
| Power Factor | 0.83 |
| Setting Range | 300/28 - 800/44 |
| Model | TAF 1251 |
| Open Circuit Voltage | 72 V |
| Power Factor | 0.77 |
| Setting Range | 400/28 - 1250/44 |
Input Ratings
| Conditional Statement |
TAF 801 / 1251 TAF 801 / 1251 |
| Frequency Hz | 60 Hz |
| Phase | 1 |
Output Ratings
| Conditional Statement |
TAF 801 TAF 801 TAF 1251 TAF 1251 |
| Amp Low |
1000 A 800 A 1500 A 1250 A |
| Duty Cycle |
60 % 100 % 60 % 100 % |
| VAC Out |
44 VAC 44 VAC 44 VAC 44 VAC |
Weights and Dimensions
| Height | 1228 mm |
| Length | 774 mm |
| Model | TAF 801 |
| Weight | 495 kg |
| Width | 598 mm |
| Height | 1228 mm |
| Length | 774 mm |
| Model | TAF 1251 |
| Weight | 608 kg |
| Width | 598 mm |
Interested in this product? Contact us.
ESAB Group (UK) LtdWarlies Park House
Horseshoe Hill
Upshire
Essex
EN9 3SL
Phone: +44 (0) 1992 768515
ESAB CUTTING SYSTEMS GmbH
Robert-Bosch-Str. 20
61184 Karben
Germany
Phone: +49 6039 40 0
Colfax Corporation
420 National Business Parkway
5th Floor
Annapolis Junction, MD 20701