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Magnetic Rectifiers
Thyristorised welding Rectifiers
Welding Inverters
MIG / MAG Machines
Plasma machine
Gouging Machine

 

 

 

 

 
Thyristorised Welding Rectifiers
Features
  • State-of-the-art Thyristorised power regulation ensures accurate & repeatable welding current setting.
  • Truly vertical welding current characteristic with exceptional arc stability and controlled heat input.
  • Constant current feature with feedback control system assures uniform droplet transfer with minimum spatter.
  • In-Built HOT START facility guarantees easy arc striking with added electronic device to avoid electrode freezing.
  • Single range current control with step less adjustment & remote control facility.
  • Fully protected against external interference from other electromagnetic sources making it suitable for TIG or Plasma application with necessary Add-Ons.
  • Fully copper wound coupled with reliable electronic circuits ensures trouble free service even in site conditions.
  • Light weight robust with easy maneuverability. Optimised design of transductor ensures smooth & steady arc with minimum spatter.
  • V/A meter provided with the machine.


Specification

MODEL BTH  300 BTH  400 BTH 600
INPUT ( ±10%) Supply Voltage 415/440 V, AC 415/440 V, AC 415/440 V, AC
Phase/ Frequency 3 - Phase, 50Hz 3 - Phase, 50Hz 3 - Phase, 50Hz
Type of Cooling Forced Air Forced Air Forced Air
Insulation Class F/H F/H F/H   '
Primary Current Max. Rated - Single Operator 22 Amps 28 Amps 44 Amps
At Max. Rated KVA- Single Operator 16.5 20 34
Input Cable Section - Single Operator (Cu) 10 mm2 10 mm2 16 mm2
Open Circuit Voltage (Max.) 75 - 85V 75 - 85V 75 - 85V
Welding Cable 50 mm2 50 mm2 95 mm2
Range 5 - 300 Amps 5 - 400 Amps 5-600 Amps
Protection Class IP 23 IP 23 IP 23
Overload Protection Thermal Thermal Thermal
Max. cont. hand weld current at 60% duty cycle 300 Amps 400 Amps 600 Amps
Max. cont. auto, weld current at 100% duty cycle   300 Amps 400 Amps.
(Approx.) Weight 155 Kg. 160 Kg. 270 Kg.
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