DC TIG Welding Machine

Model NO.: WS7-400 Trademark: MORROW Origin: Chengdu of China Trade Mark: Morrow Specification: 765*365*560mm 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

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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