Miyachi Unitek HF25 – Controller for resistance welder DC 380–400 V

Miyachi Unitek HF25 – Sterownik do zgrzewarki oporowej DC 380–400 V

Miyachi Unitek HF25 DC Resistance Welding System controller. The unit is fully functional, starts up correctly, the display works, and all functions respond as expected. The screen displays the message “EMERGENCY STOP – OPERATOR ACTIVATED,” which indicates that the emergency stop circuit has been activated – this is not a malfunction of the device.

This model is designed for precise control of the DC resistance welding process. It features a clear display, numeric keypad, the ability to program welding parameters, and RS-232 and RS-485 communication interfaces. Power supply: 380–400 V AC, 50/60 Hz.

Technical specifications:

Manufacturer: Miyachi Unitek
Model: HF25
Type: DC Resistance Welding System
Power supply: 380–400 V AC, 50/60 Hz
Max. output current: 2400 A RMS
Max. open-circuit voltage: 10 V
Interfaces: RS-232, RS-485
Inputs include: FOOT SWITCH, AIR VALVE DRIVER, VOLTAGE SENSE, WELD HEAD

Condition:

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Fully functional.
Visual condition matches the photos – normal signs of use.
The power cord has been repaired (insulated area visible in the photos). The repair does not affect the operation of the device, but this information has been included for full transparency of the sale.

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