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Chengdu Morrow Electronic Equipment Factory
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I. Features
■ Automatic protection from overcurrent, oveheat, over/under voltage
■ Digital display and presetting of wire-feeding speed (current) and voltage, wide adjustment range of voltage
■ Particular function of automatically removing the melting-ball from the end of the welding wire
■ Used in all-position welding of pipelines and those places with high welding requirements where the slag needn? be cleaned.
■ Arc stable, good welding seam, strong penetration capability, deeper fusion penetration
■ With welding spatter less than 1% while Ф1.2 solid-cored wire (with current below 200A) used as the short-circuit transition
■ High welding short-circuit transition frequency, being above 100Hz in general, and can reach 150-160Hz at the highest.
■ Can conduct all-position welding to pipeline instead of ?ST welder? even the filling and covering can be done by one machine. Can take the place of TIG welder after certain amount of argon is pulled into CO2, greatly improve the welding effect.
■ Similar to the traditional CO2 MAG welder. Easy to operate, and only need to adjust welding current (speed of wire feeding) and welding voltage.
II. Main parameters
Type
Contents NBB-200 NBB-300 NBB-350
Power source 3-phase 380V 50/60Hz
Rated input current 12A 17A 22A
Input capacity 8KVA 11KVA 14.5 KVA
Rated welding current/voltage 200A /24V 300A/29V 350A/31.5V
Welding current 200A 60%DE 300A 60%DE 350A 60%DE
155A 100%DE 230A 100%DE 270A 100%DE
No-load voltage (MAX) 67V 67V 67V
Adjustment range of current 40-200A 40-300A 40-350A
Efficiency 83% 83% 83%
Power factor >0.95 >0.95 >0.95
Time for pre-gas sending 0~1S
Time for delay gas sending 0~4S
Diameter of wire Ф0.8~Ф1.2mm solid-cored wire
Type of wire feeder Cs ?201
Weight of wire feeder 13Kg
Length of welding torch 3m
Weight (Kg) 40 42 45
Air switch 32A 32A 40A
Dimensions (mm) 570?06?90 620?06?90
Input cable (mm2) 3?+1?.5 3?+1?.5 3?+1?.5
Raising means Handle
Protection class IP21
External feature Flat
III. Standard configuration
Power source, four-wheel wire feeder, flow meter, welding torch, controlling wire cable and gas tube (10m each), earth lead (3m)
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