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2C64 Instantaneous Current Check Relay
The 2C63 & 2C64 Series relays are three pole current detectors designed specifically for CB fail applications. A critical requirement is for a fast reset characteristic which is achieved through the use of air core CT's. The low burden auxiliary supply makes the relay suitable for continuous energisation. Harmonic filtering is employed to minimize output relay chattering. Fully solid state sensing & measuring circuitry is employed with each phase current setting continuously adjustable on a front panel control.
The 2C63 definite time current check relay may be specified where an integrated delay timer is preferred. The internal time delay element is initiated when either the current exceeds the user selectable setting or when the internal timer initiate input is energized. The image depicts the 2C63 relay.
The 2C64 instantaneous current check relay may be specified where an integrated delay timer is not required.
The 2C80 current check relay may be specified where a zero stand by burden is required. Initiation of the relay is achieved through application of the auxiliary supply on a single or three phase basis. The linear power supply provides high speed start up but results in higher operating burden & non continuous rating.
2C64 updated with 2C65
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