RT 400, RT 600

Thyristorised DC Manual Arc Welding Rectifier RT-400 / 600 with true vertical current characteristics ensures stable, constant current output The machine is suitable for MMA/TIG/Gouging application.

  1. The rugged, Heavy duty power source is equipped with Hot start / Arc force, electrodes Anti-sticking facility and Remote Control.
  2. Available in the range of 400 and 600 Amps capacity from the house of RALLIWOLF
  3. Protections against over / under voltage, Over temperature, Fan failure, Single phasing, short circuit of output terminals. Suitable for all category electrodes
  4. Conforms to BIS: 4559
  5. The machines can be used with long extended cables at a distance of 100 metres from the power source.
  6. High open circuit voltage ensures easy arc striking with all types of electrodes – The machine can be operated from captive alternator sets.

Area of Application

Infrastructure / Steel Plants / Railways / Oil & Gas / Power & Energy / Repair & Maintenance / Process Industries


Model RT 400 RT 600
Input Supply Voltage 415V 50Hz 3Ph 415V 50Hz 3Ph
Kva(100%) 21 KVA 33 KVA
Primary Current 29A 48A
Open Circuit Voltage 70V 80V
Rated Current 400A 600A
Rated Duty Cycle 60% 60%
Max. Const. Hand Welding Current (60%) 400A 600A
Max. Automatic Welding Current (100%) 310A 450A
Current Range (A) 30-400 15-600
Rated Welding Voltage 21-36V 20-44V
Insulation Class H H
Type of Cooling Forced Air Forced Air
Weight 165Kgs 200Kgs
Lenght(mm) 835 835
Breadth(mm) 665 665
Height(mm) 940 940

Optional Items

  • Remote control unit with or without hot start facility
  • P.F. Capacitor
  • Isolator switch
  • TIG accessories
    • Gas cooled or water cooled TIG torch
    • High Frequency unit with gas preflow/postflow control & gas solenoid valve
    • Argon Gas regulator & flowmeter
    • Interconnecting cables & hoses