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1). Advanced all digital soft-switch inverter technology, 2). Good dynamic characteristics, 3). High reliability - details see: https://www.machineto.com/350a-mma-tig-electric-welding-machine-10134054

DSP digital MMA/TIG/TIG SPOT/PULSE TIG welding machine

Specifications:

Model No.	315A		350A		400A		500A		630A
Rated Input Voltage(V)	3-Phase, DC, 380V±15%, 50/60HZ
Rated current(A)	2~315		2~350		2~400		2~500		2~630
Spot current(A)	30~315		30~350		30~400		30~500		30~630
Pilot Current(A)	2-325		2-350		2-410		2-520		2-630
Spot current(A)	30~315		30~350		30~400		30~500		30~630
Basic current(Ib,A)	2~315		2~350		2~400		2~500		2~630
Net Weight(kg)	25		28		29		38		39
Duty cycle(%)	60%	315A	60%	400A	60%	400A	60%	500A	60%	630A
	100%	243A	100%	309A	100%	309A	100%	388A	100%	488A
Spot Time(S)	0.01-5
Pilot Time(S)	1-500
Gas pre-flow(S)	0.1-12
Gas post-flow(S)	0.1-50
Power Factor	≥0.85
Insulation Class	H
Operation Mode	2T, 4T, S2T, S4T, Spot, JOB
Slop Up(SLPU,s)	0~15s
Slop down(SLPD,s)	0~15s
Arc striking method	HF, Lift
Start current(HotI,%)	0~200
End current(EndI,%)	0~200
Start time(Hott,s)	0.1~15s
End time(Endt,s)	0.1~15s
Spot time(Sptt,s)	0.01~2
Pulse Frequency(Freq,Hz)	1~500

Features:

1). Advanced all digital soft-switch inverter technology, good dynamic characteristics, high reliability, Energy saving

2). VRD function

3). Gas Heat Function

4). Arc Strike Method for TIG: HF / Contact Arc Strike

5). Inverter

6). DSP Control

7). Brand: Forever Star

8). Ampere: 315A, 350A, 400A, 500A, 630A

9). Welding Material: Carbon Steel, Stainless Steel

10). It has 2T, 4T, Spot welding modes and etc

11). It can adjust slop up, slop down and end current and etc

12). It could weld steadily at 3A, suitable for thin sheet welding

13). Compensation function to voltage fluctuation, with strong voltage fluctuation resistant ability

14). Multi-function: MMA, TIG, Pulse TIG, Spot TIG, MIG, Pulse MIG, Double-pulse MIG

15). Protective circuit of over-heat, over-current and over-voltage

16). It can adjust striking current and time, not only not to melt through the thin sheet, but also guarantee the quality of the arc strike joint

17). It has the Arc adjustment function, not only suitable for discontinuous welding, but also for continuous welding

18). After-Service: 3-year warranty

19). Packing: Wooden box, Carton package, plastic bag, foam

20). Delivery Time: Within 5-7 Days after receipt the payment in advance

21). Supply Ability: 3000pcs/Month

22). OEM: Yes

Standard Accessories:

Power Source: 1PC

TIG Welding gun: 1PC(WP-26)(Air Cooled)

Electrode Holder: 1PC

Earth Clamp: 1PC

Cable:

315A/350A/400A: 3m*35mm2: 2PCS

500A/630A: 3m*50mm2: 2PCS

Fast plug: DKJ70 2PCS