DC TIG Welding Machine
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Model NO.: WS7-400
HS Code: 8515319000
Model NO.: WS7-400
HS Code: 8515319000
Main Features

Automatic protection from over-current, overheat, over/under-voltage

Free switch between MMA welding and TIG welding

HF, easy to start arc

Arc burns stably, molten pool calm, beautiful seam
DC TIG Welding Machine
              Model
Content		 WS7-315 WS7-400 WS7-500
Power source 3×380V   50Hz
Rated input capacity 12.2KVA 17.3KVA 23.7KVA
Rated input current 18.6A 26.3A 36A
Rated welding current 315A 400A 500A
Rated duty cycle >60%
Adjust. Range of curr. 20-315A 20-400A 20-500A
Efficiency 83%
No-load voltage TIG 40-50V
MMA 70-80V
Current up/down-slope time 0-10S
Pre-gas sending time 5S
Post- gas sending time F
Arc-start means IP21
Dimensions (mm) 590×306×500 590×306×500 640×326×560
Weight (Kg) 25 35 40
Technical Parameter
              Model
Content		 WS7-315 WS7-400 WS7-500
Power source 3×380V   50Hz
Rated input capacity 12.2KVA 17.3KVA 23.7KVA
Rated input current 18.6A 26.3A 36A
Rated welding current 315A 400A 500A
Rated duty cycle >60%
Adjust. Range of curr. 20-315A 20-400A 20-500A
Efficiency 83%
No-load voltage TIG 40-50V
MMA 70-80V
Current up/down-slope time 0-10S
Pre-gas sending time 5S
Post- gas sending time F
Arc-start means IP21
Dimensions (mm) 590×306×500 590×306×500 640×326×560
Weight (Kg) 25 35 40
  Main Features

Automatic protection from over-current, overheat, over/under-voltage

Free switch between MMA welding and TIG welding

HF, easy to start arc

Arc burns stably, molten pool calm, beautiful seam
DC TIG Welding Machine
              Model
Content		 WS7-315 WS7-400 WS7-500
Power source 3×380V   50Hz
Rated input capacity 12.2KVA 17.3KVA 23.7KVA
Rated input current 18.6A 26.3A 36A
Rated welding current 315A 400A 500A
Rated duty cycle >60%
Adjust. Range of curr. 20-315A 20-400A 20-500A
Efficiency 83%
No-load voltage TIG 40-50V
MMA 70-80V
Current up/down-slope time 0-10S
Pre-gas sending time 5S
Post- gas sending time F
Arc-start means IP21
Dimensions (mm) 590×306×500 590×306×500 640×326×560
Weight (Kg) 25 35 40
Technical Parameter
              Model
Content		 WS7-315 WS7-400 WS7-500
Power source 3×380V   50Hz
Rated input capacity 12.2KVA 17.3KVA 23.7KVA
Rated input current 18.6A 26.3A 36A
Rated welding current 315A 400A 500A
Rated duty cycle >60%
Adjust. Range of curr. 20-315A 20-400A 20-500A
Efficiency 83%
No-load voltage TIG 40-50V
MMA 70-80V
Current up/down-slope time 0-10S
Pre-gas sending time 5S
Post- gas sending time F
Arc-start means IP21
Dimensions (mm) 590×306×500 590×306×500 640×326×560
Weight (Kg) 25 35 40
 

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