Dual voltage DC TIG/MMA/CUT welding machine CT-312D

single-phase110/220v dual voltage,
high frequency,MOSFET,soft switch,Compact structure,
for multi purpose welding machine
multi purpose DC TIG/MMA/CUT welding machine CT-312D Features of multi purpose DC TIG/MMA/CUT welding machine CT-312D:
1. Advanced MOSFET inverter technology, high working efficiency, DC output;
2. Compact structure, convenient to carry, reliable and durable, easy for maintenance;
3. Multi-function of TIG and MMA welder as well as air plasma cutting;
4. We also can provide 110/220 v duel automatic input voltage shift; or 110v voltage input,
5. Air cooling, thermostatic protection, suitable for DIY;

Parameters of multi purpose welding machine CT-312D:


Model
Spec.
CT-312D
Power supply voltage
1-ph AC 110±10% V / 50~60Hz

1-ph AC 220±10% V / 50~60Hz

Power supply capacity
2.2 kVA
Rated input current (TIG)
10 A
Rated input current (MMA)
15 A
Rated input current (CUT)
17 A
Output current range (TIG)
10 - 120 A
Output current range (MMA)
10 - 120 A
Output current range (CUT)
15 - 30 A
No-load voltage (TIG)
56 V
No-load voltage (MMA)
56 V
No-load voltage (CUT)
220 V
Operating voltage (TIG)
14.8 V
Operating voltage (MMA)
24.8 V
Operating voltage (CUT)
128 V
Dia. of welding rodΦ(MMA)
2.5 mm
Arc initiation way (TIG)
HF
Arc initiation way (MMA)
Touch
Arc initiation way (CUT)
HF
Protection grade provided by enclosure
IP 21
No-load loss
35 W
Cosφ (η)
0.85
Insulation grade
F
Duty cycle
60%
Efficiency
85%
Air pressure (CUT)
0.4 MPa
Gas flow (TIG)
2-5 L/min
Gas flow (CUT)
80 L/min
Cutting thickness (CUT)
1-6 mm
Weight
9.6 kg
Dimension (mm)
385*155*295