IEC CB Protection PR512

PR512 are self-supplied relays and ensure complete protection of the installation without an auxiliary power supply. They are used as switchboard protection units and provide protection of the medium voltage ABB circuit-breakers. PR512 is available in three solutions.

  • PR512/P (50-51 protections)
  • PR512/P (50-51-50N-51N protections)
  • PR512/PD (50-51-50N-51N protections with dialogue).

Related links

Documentation and downloads

Catalogue
PR512 - Microprocessor-based self-supplied protection relays

English - 1.62 MB - pdf
Course description
Italy: Training HD4, VD4, V-contact, Unigear ZS1, UniMotor, UniAir, UniMix, REF542plus, PR512/521

English - 1.28 MB - PPT
Manual
PR512 - Manuale operativo per unità di protezione a microprocessore / Operator manual for microprocessor based protection unit

English - 4.78 MB - pdf
PR512 - Manuale operativo per unità di protezione a microprocessore / Operator manual for microprocessor based protection unit

English - 1.53 MB - pdf
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