Transcription of Westinghouse . ElectricalPartManuals
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Westinghouse . ElectricalPartManuals
Westinghouse DB 41-100A Page 1 Type CO Overcurrent Relays Non-dir ecti onal, Sin gle Ph ase, Adjust ab le Time Delay Application Westin gh ouse CO relays , a compl ete coor din ated lin e, as s ur e accurate an d reli abl e pri mary or back up protect ion against ph ase or gr ound faults . Th ey provi de th e back bone of an y protect iv e relayin g system, fr om gen er ator to load . For select iv e coordin ati on betw een relays , seven dif fer ent ti me curve ch ar acteristi cs ar e av ail ab le. All ar e desi gned to op er ate faster at hi gher faul t cur rents . Each typ e has a wi de range of cur rent tap settings an d ti me di al positi ons. Properly ap pl ied , CO relays will provide maxi mum servi ce continuity by tripping th e fewest possible ci r cuit break ers requir ed to dis conn ect a faul ted sect ion.
Westinghouse • DB 41-100A Page 1 Type CO Overcurrent Relays Non-directional, Single Phase, Adjustab le Time Delay Application Westin gh ouse CO relays, a complete coor
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