Application Note Covers Replacement of Obsolete Overcurrent Motor Protection Relays

Dec. 5, 2006
In continuing to provide the protective relay market with the newest innovations for replacement units, Basler Electric is offering a microprocessor-based BE1-50/51B-230 as an exact plug and play replacement for the obsolete General Electric 12IAC66K relay.

In continuing to provide the protective relay market with the newest innovations for replacement units, Basler Electric is offering a microprocessor-based BE1-50/51B-230 as an exact plug and play replacement for the obsolete General Electric 12IAC66K relay.

Application Note PC-IAC66K details how the BE1-50/51B-230 replaces electro-mechanical overcurrent motor protection relay type IAC66K with no wiring changes. A companion document, Application Note PC-5051B, details a project using BE1-50/51B plug-and-play relays to replace aging electromechanical IAC- and CO-type relays.

In addition, David Beach’s technical paper, Arc Flash Mitigation Through Use of Voltage-Controlled/Voltage-Restrained Overcurrent Elements, presented at the Western Protective Relaying Conference is available on the web site. This paper investigates the use of voltage controlled/voltage restrained overcurrent elements as an arc flash mitigation technique when applied to certain industrial circuits.

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