| The Protig 450 can be used equally well 
                      with the A21 tube-to-tube welding head, the tube-to-tube 
                      sheet A22 head and the A25 component system. When using 
                      welding equipment with AVC and weaving, this power source 
                      is a must. The Protig 450 is capable of splitting welding 
                      programs into a large number of independent and free-standing 
                      units. The programs can be stored in the internal memory 
                      to be used again. The Protig 450 is equipped with an RS 
                      232 output, which makes it possible to use Weldoc™ 
                      WMS 4000 (Welding Monitoring System). Weldoc™ WMS 
                      4000 is a computer program designed for use during welding 
                      to monitor the welding parameters. The SPS 4000 is a setting 
                      parameter documentation system, a setting version without 
                      monitoring possibilities. Weld-protected, EMC-safe PC to 
                      be supplied by the customer.
 Delivery includes
 The Protig 450 is delivered with 5 m of 
                      return cable and 5 m of mains cable.
 
                      
                         
                          |  | Protig 450 | Protig 450 |   
                          | External dimensions, LxWxH, mm | 734x489x695 | 734x489x695 |   
                          | Weight, kg | 113 | 159 |   
                          | Mains supply, V/Hz | 3x400/50-60 | 3x230-400-500/50, 3x208-230-460-475/60 |   
                          | No load power, W | 520 | 520 |   
                          | Open circuit voltage, V | 50-60 | 50-60 |   
                          | Max output at 45% duty 
                            cycle, A | 450 | 450 |   
                          | Max output at 100% duty 
                            cycle, A | 360 | 360 |   
                          | Setting range, A | 5-450 | 5-450 |     |