Schneider Easergy P3UO

THE Schneider Easergy P3UO Relay is a microprocessor-based digital protection device, developed for applications in medium voltage systems, such as primary cabins, substations and distribution panels. With multiple ANSI protection functions, communication via industrial protocols, and robust design, it offers high reliability and ease of integration into industrial automation systems.

Main Technical Characteristics:

• ANSI Protection Functions:

  • 27: Undervoltage.

  • 59: Overvoltage.

  • 81: Underfrequency and overfrequency.

  • 50/51: Instantaneous and time-delayed phase overcurrent.

  • 50N/51N: Instantaneous and timed neutral overcurrent.

  • 67/67N: Phase and neutral directional overcurrent.

  • 32: Power directional.

  • 46: Current imbalance.

  • 47: Phase sequence.

  • 86: Blocking.

  • 50BF: Circuit breaker failure.

  • 98: Oscillography.