Circuit Monitor detects oscillatory and impulsive transients.

Press Release Summary:

POWERLOGIC® Series 4000 permanently mounted circuit monitor with transient detection (CM4000T) automatically generates alarm so that action may be taken to correct problems before facility shuts down. It detects and captures oscillatory and impulsive transients (up to 10,000V peak, line-to-line) as short as 1 microsecond in duration. CM4000T maintains historical record of number of transients per phase, magnitude, duration and time of occurrence.

Original Press Release:


New Monitor Helps Facilities Maximize Uptime, Lower Costs

PALATINE, III. - February 5, 2002 - The new POWERLOGIC® Series 4000 Circuit Monitor with Transient Detection (CM4000T) from Square D is the first, full-featured, permanently mounted
circuit monitor that detects both oscillatory and impulsive transients, and automatically generates an alarm so that action may be taken to correct a problem before a facility shuts down.

For critical power and large energy users who cannot afford to be shut down, the CM4000T gives them the ability to monitor, troubleshoot and preempt power quality problems. Transients
- disturbances lasting less than one cycle - are particularly difficult to detect due to their short duration. The CM4000T detects and captures oscillatory and impulsive transients (up to
10,000V peak, line-to-line) as short as one microsecond in duration.

The CM4000T automatically performs a high-speed transient waveform capture and a longer disturbance capture to show the conditions surrounding an event. The CM4000T maintains a
complete historical record of the number of transients per phase, along with the magnitude, duration and time of occurrence of each. It also performs a stress calculation to determine the
circuits that have received the greatest stress from over voltage.

The permanently installed unit minimizes repeated exposure to energized equipment, while allowing customers to accumulate a complete historical record of transient events at a lower
cost than traditional portable power quality monitors.

Located in LaVergne, Tenn., the Power Management Organization was created within Square D in 1989 to develop, design and market power monitoring and control systems and analytical
services. The Power Management Organization offers a full range of products and services, including power monitoring hardware and software, lighting control hardware and software and a variety of engineering services.

SQUARE D is a market-leading brand of electrical distribution, industrial control and automation products, systems and services, and is the flagship brand in the U.S. for the North American Division of Schneider Electric. SQUARE D products are found in all types of residential, commercial and industrial construction, in a wide range of manufacturing and processing
facilities, and in or on the products of other manufacturers. Schneider Electric, headquartered in Paris, France, is a global electrical industry leader with 2000 sales of approximately $9.7 billion.

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