Multichannel protection relays

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frequency protection relay
frequency protection relay
PCS-978

... phase overcurrent protection (50/51P)

  • Four-stage neutral overcurrent protection for each side (50/51G)
  • Two-stage negative-sequence overcurrent protection
  • ...

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    NR Electric
    voltage protection relay
    voltage protection relay
    PCS-985GI

    ... shutdown protection (StShut)

  • Shaft overcurrent protection (51GS)
  • Negative-sequence overload protection (46G)
  • Reverse power protection (32R)
  • Low
  • ...

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    NR Electric
    earth-leakage protection relay
    earth-leakage protection relay
    PCS-985GE

    ... overvoltage protection (59P)

  • Undervoltage protection (27P)
  • Overfrequency protection (81O)
  • Underfrequency protection (81U)
  • Impedance protection
  • ...

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    NR Electric
    over-voltage protection relay
    over-voltage protection relay
    PCS-985TI

    ... Phase overcurrent protection (50/51P)

  • Phase overcurrent alarm elements (51PAlm)
  • Ground overcurrent protection (50/51G)
  • Phase overvoltage protection
  • ...

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    NR Electric
    over-current protection relay
    over-current protection relay
    PCS-985TE

    ... >

  • Phase overcurrent protection (50/51P)
  • Phase overcurrent alarm elements (51PAlm)
  • Ground overcurrent protection (50/51G)
  • Phase overvoltage
  • ...

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    NR Electric
    current protection relay
    current protection relay
    PCS-987R

    ... that can cause cumulative fatigue, shaft cracks, bolt shearing or coupling damage. PCS-987R is a digital protective relay (Torsional Stress Relay, TSR) designed to monitor and protect turbine-generator ...

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    NR Electric
    phase protection relay
    phase protection relay
    PCS-9656

    ... between sensors and relay reduces electromagnetic interference and improves reliability. The device can be mounted in a protection panel or local switchgear.

    Protections

    • Arc protection
    • Breaker
    ...

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    NR Electric
    voltage protection relay
    voltage protection relay
    EMI-20

    Trigger voltage: 24 V - 230 V

    EMI-20/15 is the Contrel gateway for connecting Modbus devices to the ConSight cloud platform. It collects and centralises energy data from the field, enabling remote monitoring and supervision of installations with up to 15 Modbus devices.

    arc flash protection relay
    arc flash protection relay
    AFR-3S

    ... AFR-3S Arc flash relays are mainly used to detect arc faults in electrical systems and protect equipment and personnel in electrical systems from arc faults. The arc flash protection relay can detect ...

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    Chongqing Blue Jay Technology Co. Ltd
    arc flash protection relay
    arc flash protection relay
    AFR-M series

    Tripping current: 5 A
    Trigger voltage: 220 V

    ... detection, the AFR-M offers exceptional protection capabilities, helping to minimize arc flash damage for personnel and equipment. High-Speed Tripping for arc flash protection The AFR-M arc flash protection ...

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    Chongqing Blue Jay Technology Co. Ltd
    voltage protection relay
    voltage protection relay
    XR-6 series

    Tripping current: 5 mA - 5,000 mA
    Trigger voltage: 5 V - 250 V

    ... Various supply voltages Special characteristics 1 and 2 channel relay As part of an overfill protection / leakage protection system Description The contact protection relays ...

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