CA Differential Relay

Generator Differential relay

CA generator differential relay is a single phase, induction disc type with inverse timing characteristics. It is provided with one operating winding and two restraining windings without taps.

Transformer Differential relay

Designed for 2-winding transformer protection, the CA transformer differential relay has a constant percentage differential characteristic and inverse timing. It is a single-phase unit, and three relays are used for three-phase transformer protection.

Percentage Differential Relays

The CA-16 relay is a single-phase differential relay used for protection of multicircuit buses up to a total of six circuits.

The CA-26 relay provides differential protection for both 2- and 3-winding transformers. It is also suitable for combination bus-transformer applications.

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    ABB contact for United States of America

    Sales: Pete Kovacic
    Service: Glenn Goldfarb
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