D.C. - ELECTRONIC ADJUSTMENT

Product Literature
(File Adobe Acrobat® .pdf)

RAINBOW 1150 - 150
153 cell - 180 
183 cell VRD

RAINBOWS 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.
RAINBOWS, 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.

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

VRD  -  Voltage Reduction Device -  everywhere you weld

RAINBOW 183 cell VRD unit is 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.

RAINBOW 183 cell VRD always provides the users with an additional safety protection when working in all highly hazardous environments such as damp, caustic, salty and wet places. This machine is 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 ideal for use in mining industry and onsite works.

VOLTAGE MONITORING LED

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.
Technical Data
Control Panel

ACCESSORIES

Carrying belt
RTA TIG torches
 UltraLUX welding masks
 RAINBOW Bag
 Accessory kit

 Accessory kit
Accessory kit
INDEX