Product Information

DC Inverter Spot Welding / Fusing Power Supply

DC Inverter Spot Welding / Fusing Power Supply IS-300A


Compact and high power!
High quality fusing!

  • Feature
  • Specification
  • External view
  • Corresponding transformer


Model IS-300A-00-00 IS-300A-00-01
Power requirements (Fixed at ex-factory) 3-phase, 200–240 VAC
±10% (50/60 Hz)
3-phase, 380–480 VAC
±10% (50/60 Hz)
Max. output current 300A (Peak value)
Number of schedules 255
Output frequency 600Hz~3kHz (In 100 Hz increments)
Control method Primary constant-current RMS
Secondary constant-current RMS
Secondary constant-power RMS
Primary constant-current PEAK (with pulse width limit funcution)
Secondary constant-voltage RMS
Constant-phase control
Timer setting range   msec mode / cyc mode
SQUEEZE DELAY 0000~9999ms / 000~999cyc
SQUEEZE 0000~9999ms / 000~999cyc
UP SLOPE 1,2,3 000~999ms / 00~50cyc
WELD 1,2,3 000~999ms / 00~50cyc
DOWN SLOPE 1,2,3 000~999ms / 00~50cyc
COOL 1,2 000~999ms / 000~999cyc
HOLD 00000~20000ms / 000~999cyc
OFF *1 0 or 0010~9990ms / 00~99cyc
Transformer turns ratio 1.0~199.9
Pulsation setting 01~19
Valve setting 2
Setting range
(1)Constant current *2 (2)Constant power
(3)Constant voltage (4)Constant phase
(1)0.1~20.0kA (2)0.1~20.0kW
(3)0.20~9.99V (4)10.0~99.9%
Current monitor 00.0~99.9kA / 0.00~9.99kA
Power monitor 000.0~999.9kW / 00.00~99.99kW
Voltage monitor 0.00~9.99V
Pulse width monitor HIGH 10.0~100%
Cooling method Forced air-cooling
Data communication RS-232C (One-way communication) /
RS-485 (Bidirectional communication)
Operating environment Ambient temperature +5~+40℃
Humidity 90% max. (no condensation)
Altitude 1000m max.
Weight 16.5kg
  • *1: No repetitive operation will be performed if “0” is selected for OFF (off time).
  • *2: Primary current can be set up to 300 A.
  • Feature
  • Specification
  • External view
  • Corresponding transformer