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Auto Sectionalizing Board

Type: ASB

The Auto-Sectionalizing Board (ASB) provides simple, user configurable control logic for the independent and auto-matic operation of motor operated pole top switches. The ASB will initiate motor operation of the associated switch (open or close) based on the presence or absence of voltage, with or without time delay. Voltage indication is provided by a separate voltage sensor, potential trans-former or similar device.

The ASB can control up to three switches in close proximity. The default mode of switch operation is independent and automatic, but the ASB can also be used in conjunction with an RTU as part of a larger, integrated and remotely controlled automation scheme. Field configuration requires no programming for the standard functionality. With factory modification, the ASB can be used for more complex automatic schemes requiring timing and sequential coordination between multiple switches and breakers.

Frequently used for automatic switching between preferred and secondary sources (auto throw-over) in the event of loss of potential on the preferred source. Can also be used as part of a larger automatic fault isolation scheme with multiple switches in series. For questions about the application and use of the ASB for your automation project, please consult the factory for assistance.

System Attributes & Benefits

Rapid implementation — Provides immediate fault isolation and automatic sectionalizing capabilities without the technical and communication issues associated with SCADA


Easily configurable — No programming required for standard functionality


Economical — Lower cost to purchase, install and operate than SCADA solutions.


Fully compatible — Works with all brands of motor operators, disconnect switches, and current and voltage sensing devices


Robust — Can be incorporated into more complex automation or SCADA applications as system requirements change


24/7 reliability — Controls your critical switching needs automatically without human intervention

Additional Information

Catalog Cut-Sheet (PDF 175 KB)

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Southern Electrical Equipment Company, Inc.