Three Phase Bridge

Such varistors have a clamping voltage of typically 2x 840V = 1680V, making the industry standard 1600V input bridges working at or even over the limit (2). This design gap can be managed by using the next generation three phase bridge DBI25-18A by Diotec. Its 1800V VRRM provides a comfortable safety margin, allowing for reliable operation of industrial power supplies and frequency inverters (3).
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