MAWA-300B
1. Overview
1-4
(3) Specifications
(3)-1. Product
specifications
Model name
MAWA-300B-00-00
(Touch start)
MAWA-300B-00-01
(High-voltage start)
Power supply
voltage
Three-phase 200 V AC ±10% (50/60 Hz)
Power consumption 13.2 kVA
Maximum output
current
300 A
Control method
Secondary constant current control
Inverter type (Control frequency: approx. 45 kHz)
Start type
Touch start
High-voltage start
Maximum no-load
voltage
95 V DC
Rated load voltage
22 V (300-A power ON status)
Duty cycle (*1)
5% (300 A), 10% (210 A), 20% (150 A), 30% (122 A), 40% (97 A), 50% (80 A)
The maximum duty cycle for weld time 1 sec. is 50% (80 A or less).
Cooling method
Air cooling (fan motor)
Supply gas (*2)
Argon, pressure 0.1 ~ 0.6 MPa, flow rate 5 L/ min or more
(Any foreign substance, water and oil must not come into piping.)
Case protection
IP21S
Protection class
I
Safety category
Corresponding to category 3
EMC class
CISPR11, Class A (*3)
Display
Setting/display Touch panel, 5.7-inch TFT color LCD display
Ambient
temperature
+5 ~ +40°C
Maximum
humidity
85% or less (without condensation)
Maximum
altitude
1000 m or lower
Installing conditions
Pollution level
2
Temperature
range
-10 ~ 55°C
Transport/storage
conditions
Maximum
humidity
85% or less (without condensation)
External dimensions
408 (H) mm × 210 (W) mm × 603 (D) mm (excluding projections)
408 (H) mm × 210 (W) mm × 705 (D) mm (including the cable gland of the
terminal cover)
Mass
Approx. 45 kg
Number of
conditions
(SCHEDULE)
127 conditions