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  NB-350/500/630IGBT Inverter Gas shileded Arc Welding Machine



Main Features

  1, All the key parts of this welding machine like IGBT module, fast recovery diode, integrated circuit, relay and current & voltage adjustor are world famous brand which have high reliability;

  2, Soft switch technology, high efficiency & energy-saving, 100% duty cycle.

  3, Good dynamic characteristic, stable arc, nice weld appearance, low spatter.

  4, Multi-characteristic and usage power source, excellent stick welding characteristic, model 630 can be used for carbon air gouging.



Item

Unit

Model

 

 

NB-350IGBT

NB-500IGBT

NB-630IGBT

Input power

V/Hz

3~ 380V± 15%  50/60Hz

Rated input capacitor

KVA

16.5

26.3

36.2

Rated input current

A

25

40

55

Rated open circuit voltage

V

74

80

80

Rated welding current

A

350

500

630

Rated welding voltage

V

31.5

39

44

Current Adj range

A

60~350

60~500

60~630

Suited wire diameter

mm

0.8~ 1.2

1.0~1.6

1.0~1.6

Rated duty cycle

%

100/40

Insulation grade

-

F

Protection grade

-

IP21S

Dimension (L* W *H)

mm

570 *290 *530

640* 290* 530

690 *320 *570

Power source Net Weight

Kg

39

45

54