New Inverter Welding Power Supplies Offer Increased Control for Exact Heat Input

Press Release Summary:

  • Feature secondary constant current control, up to 20 pulses per weld and ability to set upslope, downslope and weld interrupt
  • Uses inverter technology with pulse width modulation (PWM) to produce and simulate AC waveform
  • Can produce AC frequency from 50 Hz to 500 Hz that allows more energy delivery in less time

Original Press Release:

AMADA WELD TECH INC Introduces AC Inverter Welding Power Supplies

AC inverters provide better control compared to standard AC welders

MONROVIA, CA – AMADA WELD TECH Inc., a leading manufacturer of resistance welding, laser welding, marking, cutting, and micromachining equipment and systems, announces the release of the MIB-300A and MIB-600A AC Inverter Welding Power Supplies which offer increased control resulting in more exact heat input and better quality welds as compared to traditional AC weld controls.

The AC inverter uses inverter technology with pulse width modulation (PWM) to produce and simulate an AC waveform. Unlike AC welders that use line frequency and depend on well-regulated facility power, the AC inverter can produce an AC frequency from 50 Hz to 500 Hz allowing more precise energy delivery in less time, is not affected by line voltage fluctuation, and provides a balanced three phase load.

The MIB-300A and MIB-600A feature secondary constant current control, up to 20 pulses per weld and the ability to set upslope, downslope and weld interrupt. Up and downslope improve energy input into the welded material and interrupt stops the flow of current if displacement breaches a set level, preventing over welding.

MIB-300A and MIB-600A may be used with the same transformers and weld heads as standard AC welders. With max output currents of 20,000 and 40,000 A respectively, the units may be used for a variety of different welding applications. Common uses for AC inverters include sheet metal welding, wire compacting, and brazing.

Since 1948, AMADA WELD TECH has worked to achieve one goal: to solve customer’s manufacturing challenges. Knowing there is no one solution that fits all, the company strives to provide customers with innovative and reliable manufacturing technology solutions in an effort to be their single source provider. AMADA WELD TECH manufactures equipment and systems for resistance welding, laser welding, laser marking, laser cutting, hermetic sealing and hot bar reflow soldering and bonding. The company serves a wide range of markets including medical devices, battery, aerospace, automotive and electronic components. AMADA WELD TECH is an ISO9001 certified company. Contact AMADA WELD TECH at Learn more about the company’s products and services at

Kristin Nugent
McNeil, Gray & Rice Inc.
617-367-0100 ext. 148

Barbara Kuntz

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