RAINBOW

ARC WELDING

RAINBOW 150
RAINBOW 150 VRD
RAINBOW 153 CELL
RAINBOW 180
RAINBOW 183 CELL VRD

INVERTER POWER SOURCES FOR ELECTRODE WELDING 

RAINBOW’s represent the latest evolution in inverter technology DC welding equipment.
These powerful 100 kHz power sources are based on latest generation IGBT’s and fitted with a flat transformer.
RAINBOW‘s, with their lightness, reduced size and their excellent characteristics in electrode(MMA) and TIG welding with “lift” mode arc striking, are the most suitable solution for maintenance and light fabrication works.
RAINBOW 153 cell and 183 cell VRD are special versions for cellulosic electrodes.

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INVERTER POWER SOURCES FOR ELECTRODE WELDING

VRD – Voltage Reduction Device – everywhere you weld

RAINBOW 183 cell VRD & RAINBOW 150 VRD unit are standard fitted with a Voltage Reduction Device to reduce the maximum open-circuit voltage at the output terminals to less than 15 V as long as the arc starts and the selected welding current becomes fully available.
On the contrary, immediately at the end of the welding operation, the power source voltage goes back to a safe level till next welding cycle reoccurs.
These units always provide the users with an additional safety protection when working in all highly hazardous environments such as damp, caustic, salty and wet places.
These machine fully compliant with strict Australian Standards AS16742.-2003 imposed for welding machines used in any place classified as dangerous. All such features make RAINBOW 183 cell VRD & RAINBOW 150 VRD ideal for use in mining industry and onsite works.

The voltage monitoring LED changes colour depending on circumstances, i.e:

  • GREEN: whenever voltage is less than 35V both while welding or in open circuit condition.
  • RED: whenever voltage is more than 35V while welding, depending on the real arc voltage.

FEATURES

  • Reduced weight and size, easy-to-carry
  • Innovative and compact design
  • Shock-proof fibre compound main structure
  • Control panel protected against accidental impact
  • Robust handle built-in into the chassis
  • Excellent welding characteristics with any type of electrode
  • Low energy consumption and high electrical efficiency
  • Suitable to be used with 100 m length mains cable without power loss
  • Possibility to work with power generator sets of adequate size thanks to over-under voltage protection against fluctuations
  • Automatic compensation for mains voltage fluctuations within + 15% – 20%
  • 3 available welding processes: MMA – CrNi – TIG
  • Built-in Arc Force to automatically select the best welding arc dynamic characteristic
  • Automatic Hot Start to improve the arc striking with the most difficult electrodes
  • Electrode Antisticking function
Saldatura TIGSaldatura elettrodo rivestitoErogazione corrente continuaInnesco Lift ArcCompensazione +15% -20%
TECHNICAL DATA   150 150 VRD 153 CELL 180 183 CELL VRD1
Single phase input 50/60 Hz V +20%
-20%
230 230 230 230 230
Input Power @ I2 Max kVA 7,6 7,6 7,9 11,3 11,3
Delayed Fuse (I2 @ 100%) A 16 16 16 20 20
Power Factor / cos φ   0,64 / 0,99 0,64 / 0,99 0,64 / 0,99 0,67/0,99 0,67 / 0,99
Efficiency Degree   0,84 0,84 0,82 0,83 0,82
Open circuit voltage A 88 12 103 88 12
Current range A 5 – 150 5 – 150 5 – 150 5 – 180 5 – 180
Duty cycle at (40°C)  A 100% 100  100 90 110 100
     A 60% 120 120 110 130 120
      A X% 150 (30%) 150 (30%) 150 (20%) 180 (20%) 180 (20%)
Standards   EN 60974-1 • EN 60974-10
Protection Class   21 S 21 S 21 S 21 S 21 S
Dimensions   mm 340 340 340 390 390
 mm 115 115 115 135 135
 mm 260 260 260 300 300
Weight kg 4,2 4,2 4,2 6 6,5

Additional information

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