-4-
3. TECHNICAL SPECIFICATION
Table 1 Technical specifications
Model
Specifications
NBC-250D
NBC-350M
Rated input voltage (V)
3-380V,50Hz
Rated input current (A)
17
24
Output current adjustable
range
(
A
)
60-250
60-350
Output voltage adjustable
range (V)
17-27
17-32
Open circuit voltage
(
V
)
54
64
Rated duty cycle
60
(
Room temperature 40℃
)
Welding wire diameter
0.6
、
0.8mm
0.8
、
1.0mm
Insulation grading
F
Shell protection degree
IP21S
Dimension
(W×D×H mm)
475*235*410(mm)
565*280*500(mm)
Weight
(
kg
)
18
26.5
NB
:
According to CISPR 11, the electromagnetic compatibility of this welder is type A