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From compliance test systems to rack-mounted industrial power subsystems, AMETEK Programmable Power is the leader in the design and manufacture of precision AC programmable power sources. Elgar is a division within AMETEK that is a leading global manufacturer of AC Programmable Power Supplies. Elgar AC power supplies are used in R&D, test and measurement, avionics testing, inverter testing, arbitrary waveform generation, bulk power and power conditioning applications across a wide variety of industrial segments.

The main products in the Elgar product line are AC programmable power sources, AC power supplies, AC power sources and AC compliance testing ranging from 800VA to 480kVA. The voltage ranges from 0V to 600V and the current ranges from 0A to 1500A.

Other Elgar products include: AC bulk power, AC supplies, AC modular power supplies, AC loads programmable power supplies, programmable power, AC programmable power, compliance test systems, inverter testing, grid-tied inverter testing, crest factor, arbitrary waveform generation, aviation testing and avionics testing.

Elgar started as Elgar Electronics Corporation in 1965. In January 1994, Elgar acquired Sorensen followed by Power Ten in 1998. Then in March 2007, Elgar was acquired by Xantrex which subsequently was bought by AMETEK Programmable Power on August 25th, 2008.