Welding Machinery
IGBT DC inverter MMA Welding Machine
DC inverter MMA Welding Machine
IGBT DC Inverter TIG/MMA welding machine
DC Inverter TIG/MMA welding machine
IGBT Inverter CO2/MMA welding machine
Inverter Air Plasma Cutting Machine
nverter AC/Dc Tig Welding Machine
Thyristorised Based Welding Machine
 
Welding Machinery
MILD STEEL ELECTRODES
LOW HYDROGEN & LOW ALLOY
STAINLESS STEEL WELDING
HARD FACING ELECTRODES
CUTTING & GOUGING ELECTRODES
CAST IRON ELECTRODES
MIG WIRE
   
 
 
   Thyristorised Based Welding Machine KR Series
 
 
KR-250A
KR-350A
KR-500
 
 
 
 
   Technical Specification
 
     
 
ITEM MODEL
KR-200A
KR-350A
KR-500
KR-630
Control method THYRISTOR
Input power voltage Frequency (V, Hz) AC380V (THREE PHASE)± 10% 50/60 Hz
Rated Input Power capacity (KVA) 7.6 KVA (6.5 KW) 18.1 KVA (16.2 KW) 31.9 KVA (28.1 KW) 45 KVA (36 KW)
Output current adjustment range (A ) DC50-200A DC60-350A DC100-500A DC100-630A
Rated Output Voltage (V) DC 16.5-24V DC 17-31.5V DC 19-39V DC 19-45.5V
Crater current (A) 50-200 60-350 60-500 60-630
Crater voltage (V) 15-25 16-36 16-45 16-55
Rated duty cycle (%) CO2:50%
MAG :25%
CO2:70%
MAG :35%
CO2:70%
MAG :35%
CO2:70%
MAG :35%
Optional welding wire on unified mild steel solid wire 0.8mm, 1.0mm, 1.2mm flux-cored wire 1.2mm mild steel solid wire 0.8mm, 1.0mm, 1.2mm flux-cored wire 1.2mm mild steel solid wire 1.2mm, 1.4mm, 1.6mm flux-cored wire 1.2mm, 1.4mm, 1.6mm mild steel solid wire 1.2mm, 1.4mm, 1.6mm flux-cored wire 1.2mm, 1.4mm, 1.6mm
Cooling mode AIR-COOLING AIR-COOLING AIR-COOLING AIR-COOLING
Insulation Grade F F F F
Housing Protection Grade IP23 IP23 IP23 IP23
Dimension (mm) 718 X 378 X 744 718 X 378 X 744 742 X 437 X 815 742 X 437 X 815
 
     
 
  Product Features :-
 
     
 
  • No remote control cable design, a reduction of line failure, increased mobility.
  • Optional welding wire on unified: solid wire and flu-cored wire , and solid/flux-cored wire conversion and selection function for arc stopping.
  • Secondary short-circuit protection, overtemperature protection and other security functions.
  • Little splash and strong & stable welding current.
  • Compact structure design, strong waterproofness and safety.
  • Possess other expandable functions and extensible cable is available.
 
     
 
  Standard Accessory List & Picture
 
     
 
  • A set of welding torch.
  • A set of earth clamp with connectors.
  • Ten meters of 6x1 control wire with 6 core-plug.
  • Ten meters of welding cable with connectors.
  • Ten meters of gas carrying hose with two clips.
  • A set of wire feeder.
 
     
     
     
     
     
     
     
 
 
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