Circuit interrupter apparatus with a battery backup and...

Details Circuit interrupter apparatus with a battery backup and... Circuit interrupter apparatus with a battery backup and...

H - Electricity

02

H

348/26

H02H 3/08 (2006.01) H02H 1/06 (2006.01) H02H 3/04 (2006.01)

Patent

CA 1303715

53,134 ABSTRACT OF THE DISCLOSURE A circuit interrupter includes a means for sampling a conditioned current value and determining operating characteristics related to the current flow through an electrical circuit. Also included is a means for comparing the operating characteristics to preselectable tripping parameters and means for initiating a trip condition when an operating characteristic exceeds a corresponding tripping parameter. Additionally, a fault indicating means energized by a backup energy source following interruption is also included as well as means for preventing interference to the display and operating circuits during power-up and power-down conditions.

558311

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