
The ESAB LAF 1251 is a premier three-phase, fan-cooled DC welding power source engineered specifically for high-efficiency automated submerged arc welding (SAW) and high-productivity Gas Metal Arc Welding (MIG/MAG). Designed to meet the rigorous demands of heavy industry, this unit (SKU: 0460514880) operates on a 440/550V 3-phase input, making it suitable for specific industrial grids often found in heavy manufacturing sectors. The machine utilizes advanced thyristor control technology to deliver exceptional arc characteristics, ensuring smooth starts and stable operation across the entire current range.
One of the defining technical advantages of the LAF 1251 is its impressive duty cycle. Rated at 100% duty cycle at 1250 Amps, this power source is built for continuous, non-stop operation, eliminating downtime due to thermal overload in high-volume production environments. It features built-in voltage compensation, which actively monitors and adjusts for mains voltage fluctuations, ensuring that the welding parameters remain constant and the weld quality remains uniform. This is critical in automated applications where consistency is paramount.
Integration is seamless with ESAB's ecosystem of automation equipment. The LAF 1251 is fully compatible with the A2 and A6 process controllers, such as the PEK and PEI systems. This connectivity allows for sophisticated control over welding parameters, including pre-setting and remote adjustment, facilitating complex automated setups for beam welding, pipe mills, and tank fabrication. The unit's robust chassis is designed to withstand harsh industrial environments, ensuring longevity and reliability even in dusty or rugged conditions.
Key Technical Specifications:
| Additional Information |
|---|
| Packaging Description:pack of 1 |
| Voltage:440/550V |
| Weld Process:MIG/MAG, Submerged Arc (SAW) |
| Phase:3-Phase |
| Process Type:GMAW (MIG/MAG), Submerged Arc Welding (SAW) |
| Input Voltage:440V, 550V |
| Amperage Range:Up to 1250A |
| Duty Cycle:100% @ 1250A |
| Cooling Type:Fan Cooled |
| Control Interface:Analog/Digital (via PEK/PEI) |
| Applications:Heavy Fabrication, Shipbuilding, Wind Towers |
| ----- new values below ---- |
| Process Type:Submerged Arc Welding (SAW), GMAW (MIG/MAG) |
| Input Voltage:440V, 550V |
| Amperage Range:Up to 1250A |
| Duty Cycle:100% @ 1250A |
| Cooling Type:Fan Cooled |
| Control Interface:Analog/Digital (via PEK/PEI) |
| Applications:Heavy Fabrication, Wind Towers, Shipbuilding |
| Brand:ESAB |
| Voltage:440/550V |
| Weld Process:Submerged Arc (SAW), MIG/MAG |
| Phase:3-Phase |