Power Electronics / Power Management


Current-operated switches

28 November 2012 Power Electronics / Power Management

Denver Technical Products is offering the DS 3 series of current operated switches manufactured by NK Technologies. The units combine a Hall Effect sensor, signal conditioner and a limit alarm into a single package. They feature a compact one-piece design, input isolation, and hysteresis 5% of set point allowing closer control than fixed hysteresis switches.

The DS3 series offers three jumper­selectable current ranges (4–100 A) and frequency response from DC to 400 Hz. Example of applications include field loss protection on large DC motors, over-current indication on power supplies, status of equipment motors, lamps and other loads, as well as battery output monitoring at telecom sites.



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