Universal AC Current Monitor
The CMD Series may be used as an OVER CURRENT Monitor or an UNDER CURRENT Monitor. The CMD has adjustable Delay-on-Operate and adjustable Delay-on- Release time delays. When the current exceeds the preset current trip point for longer than the Delay-on-Operate time delay, the internal relay will energize (Pick-up). When the current drops below the preset current trip point for longer than the Delay-on-Release time delay, the internal relay will de-energize (Drop-out). When used as an over current monitor the Delay-on-Operate time delay is used to override inrush periods. When used as an under current monitor, the Delay-on-Release timer is used to override a temporary under current condition. An External CT may be used to extend the range of the Current Monitor.
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