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AC / DC power supply: laboratory voltage rectifier
80 - 640 W, 16 - 150 V EA-ELEKTRO-AUTOMATIK

During the development of the new series of powersupplies PS 9000, it was considered to reduce the high number of variants of laboratory power supplies and replace it by only a few.
This should be achieved with a wide-range input as well as with a flexible output stage. At the new concept with this flexible output stage the user is able to chose between a high output voltage or a high output current, both limited in its product (power). It means, that with a maximum output voltage of, for instance, 80V the output current of a 3.0kW can reach maximum 37.5A. Beyond this limit the power limiter is activated.

The series of units is designed very user-friendly. Switches on the front allow the user to set preset values for current and overvoltage protection (OVP) and to read them out on the LC displays. The functionality of fixed voltage power supplies is implemented by the push of a switch named "Value fix". In this mode the 10-turn potentiometers for current and voltage are deactivated and redirected to internal trimmers, which can be accessed on the front by means of a screw driver.