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Pextron URP 1439TU Relay

Pextron URP 1439TU microprocessor-based digital protection relay with multiple ANSI functions, MODBUS® RTU communication, and a robust design. Ideal for medium-voltage systems.

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Description

THE Pextron URP 1439TU Relay is a microprocessor-based digital protection device designed for applications in medium voltage systems such as primary cabins, substations and distribution panels. With multiple ANSI protection functions, MODBUS® RTU communication and robust design, it offers high reliability and ease of integration into industrial automation systems.

Main Technical Characteristics:

  • ANSI Protection Functions:

    • 27: Undervoltage.

    • 47: Phase sequence.

    • 48: Lack of phase.

    • 50: Instantaneous phase overcurrent.

    • 50N: Instantaneous neutral overcurrent.

    • 51: Phase time overcurrent.

    • 51N/GS: Timed overcurrent of neutral or earth sensor.

    • 59: Overvoltage.

    • 79T/79F: Voltage/frequency reset.

    • 81: Frequency (subfrequency).

    • 86: Blocking.

    • 98: Oscillography and event recording.