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Machine Design

Switching power supplies

A new family of 24-V power supplies converts ac to dc and provides safety extralow voltage (SELV).

With a wide input range — between 90 and 260 Vac — the supplies can be used in diverse supply networks. An onboard potentiometer adjusts output voltage from 22.5 to 28.5 Vdc, and styles are available with an output current strength of 2.5, 5, 10, or 20 A. This highlyefficient power supply can be run in parallel for applications requiring redundancy and includes up to 150% overload protection.

A power relay guarantees a reliable functional check, monitoring itself for voltage, eliminating potential wire breakage or system malfunction. The device can automatically bypass power failures, which lets the ac input disappear for up to 30 msec without any effect on the output.

Turck Inc.
3000 Campus Dr.
Minneapolis, MN 55441
(800) 544-7769

© 2012 Penton Media, Inc.

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